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|  | 3 <title>MayaChemTools:Code:DBSchemaTablesToTextFiles.pl</title> | 
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|  | 13 <pre> | 
|  | 14    1 #!/usr/bin/perl -w | 
|  | 15    2 <span class="c">#</span> | 
|  | 16    3 <span class="c"># $RCSfile: DBSchemaTablesToTextFiles.pl,v $</span> | 
|  | 17    4 <span class="c"># $Date: 2015/02/28 20:46:19 $</span> | 
|  | 18    5 <span class="c"># $Revision: 1.31 $</span> | 
|  | 19    6 <span class="c">#</span> | 
|  | 20    7 <span class="c"># Author: Manish Sud <msud@san.rr.com></span> | 
|  | 21    8 <span class="c">#</span> | 
|  | 22    9 <span class="c"># Copyright (C) 2015 Manish Sud. All rights reserved.</span> | 
|  | 23   10 <span class="c">#</span> | 
|  | 24   11 <span class="c"># This file is part of MayaChemTools.</span> | 
|  | 25   12 <span class="c">#</span> | 
|  | 26   13 <span class="c"># MayaChemTools is free software; you can redistribute it and/or modify it under</span> | 
|  | 27   14 <span class="c"># the terms of the GNU Lesser General Public License as published by the Free</span> | 
|  | 28   15 <span class="c"># Software Foundation; either version 3 of the License, or (at your option) any</span> | 
|  | 29   16 <span class="c"># later version.</span> | 
|  | 30   17 <span class="c">#</span> | 
|  | 31   18 <span class="c"># MayaChemTools is distributed in the hope that it will be useful, but without</span> | 
|  | 32   19 <span class="c"># any warranty; without even the implied warranty of merchantability of fitness</span> | 
|  | 33   20 <span class="c"># for a particular purpose.  See the GNU Lesser General Public License for more</span> | 
|  | 34   21 <span class="c"># details.</span> | 
|  | 35   22 <span class="c">#</span> | 
|  | 36   23 <span class="c"># You should have received a copy of the GNU Lesser General Public License</span> | 
|  | 37   24 <span class="c"># along with MayaChemTools; if not, see <http://www.gnu.org/licenses/> or</span> | 
|  | 38   25 <span class="c"># write to the Free Software Foundation Inc., 59 Temple Place, Suite 330,</span> | 
|  | 39   26 <span class="c"># Boston, MA, 02111-1307, USA.</span> | 
|  | 40   27 <span class="c">#</span> | 
|  | 41   28 | 
|  | 42   29 <span class="k">use</span> <span class="w">strict</span><span class="sc">;</span> | 
|  | 43   30 <span class="k">use</span> <span class="w">FindBin</span><span class="sc">;</span> <span class="k">use</span> <span class="w">lib</span> <span class="q">"$FindBin::Bin/../lib"</span><span class="sc">;</span> | 
|  | 44   31 <span class="k">use</span> <span class="w">Getopt::Long</span><span class="sc">;</span> | 
|  | 45   32 <span class="k">use</span> <span class="w">File::Basename</span><span class="sc">;</span> | 
|  | 46   33 <span class="k">use</span> <span class="w">Text::ParseWords</span><span class="sc">;</span> | 
|  | 47   34 <span class="k">use</span> <span class="w">Benchmark</span><span class="sc">;</span> | 
|  | 48   35 <span class="k">use</span> <span class="w">FileUtil</span><span class="sc">;</span> | 
|  | 49   36 <span class="k">use</span> <span class="w">TextUtil</span><span class="sc">;</span> | 
|  | 50   37 <span class="k">use</span> <span class="w">DBUtil</span><span class="sc">;</span> | 
|  | 51   38 | 
|  | 52   39 <span class="k">my</span><span class="s">(</span><span class="i">$ScriptName</span><span class="cm">,</span> <span class="i">%Options</span><span class="cm">,</span> <span class="i">$StartTime</span><span class="cm">,</span> <span class="i">$EndTime</span><span class="cm">,</span> <span class="i">$TotalTime</span><span class="s">)</span><span class="sc">;</span> | 
|  | 53   40 | 
|  | 54   41 <span class="c"># Autoflush STDOUT</span> | 
|  | 55   42 <span class="i">$|</span> = <span class="n">1</span><span class="sc">;</span> | 
|  | 56   43 | 
|  | 57   44 <span class="c"># Starting message...</span> | 
|  | 58   45 <span class="i">$ScriptName</span> = <span class="i">basename</span><span class="s">(</span><span class="i">$0</span><span class="s">)</span><span class="sc">;</span> | 
|  | 59   46 <span class="k">print</span> <span class="q">"\n$ScriptName: Starting...\n\n"</span><span class="sc">;</span> | 
|  | 60   47 <span class="i">$StartTime</span> = <span class="w">new</span> <span class="w">Benchmark</span><span class="sc">;</span> | 
|  | 61   48 | 
|  | 62   49 <span class="c"># Get the options and setup script...</span> | 
|  | 63   50 <span class="i">SetupScriptUsage</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 64   51 <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">help</span>} || <span class="i">@ARGV</span> < <span class="n">1</span><span class="s">)</span> <span class="s">{</span> | 
|  | 65   52   <span class="k">die</span> <span class="i">GetUsageFromPod</span><span class="s">(</span><span class="q">"$FindBin::Bin/$ScriptName"</span><span class="s">)</span><span class="sc">;</span> | 
|  | 66   53 <span class="s">}</span> | 
|  | 67   54 | 
|  | 68   55 <span class="k">my</span><span class="s">(</span><span class="i">$DBDriver</span><span class="cm">,</span> <span class="i">$DBHost</span><span class="cm">,</span> <span class="i">$DBName</span><span class="cm">,</span> <span class="i">$DBUser</span><span class="cm">,</span> <span class="i">$DBPassword</span><span class="cm">,</span> <span class="i">$DBMode</span><span class="cm">,</span> <span class="i">$ExportDataLabels</span><span class="cm">,</span> <span class="i">$ExportLOBs</span><span class="cm">,</span> <span class="i">$OutDelim</span><span class="cm">,</span> <span class="i">$OutQuote</span><span class="cm">,</span> <span class="i">$ReplaceNullStr</span><span class="s">)</span><span class="sc">;</span> | 
|  | 69   56 <span class="i">ProcessOptions</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 70   57 | 
|  | 71   58 <span class="c"># Connect to database...</span> | 
|  | 72   59 <span class="k">my</span><span class="s">(</span><span class="i">$DBHandle</span><span class="s">)</span><span class="sc">;</span> | 
|  | 73   60 <span class="k">print</span> <span class="q">"Connecting to $DBDriver:database=$DBName as $DBUser...\n"</span><span class="sc">;</span> | 
|  | 74   61 <span class="i">$DBHandle</span> = <span class="i">DBConnect</span><span class="s">(</span><span class="i">$DBDriver</span><span class="cm">,</span> <span class="i">$DBName</span><span class="cm">,</span> <span class="i">$DBHost</span><span class="cm">,</span> <span class="i">$DBUser</span><span class="cm">,</span> <span class="i">$DBPassword</span><span class="s">)</span><span class="sc">;</span> | 
|  | 75   62 | 
|  | 76   63 <span class="c"># Collect input parameters information...</span> | 
|  | 77   64 <span class="k">print</span> <span class="q">"Checking input parameter(s)...\n"</span><span class="sc">;</span> | 
|  | 78   65 <span class="k">my</span><span class="s">(</span><span class="i">@DBSchemaNames</span><span class="cm">,</span> <span class="i">@DBTableNames</span><span class="cm">,</span> <span class="i">@DBSQLStatements</span><span class="cm">,</span> <span class="i">@DBTextFiles</span><span class="cm">,</span> <span class="i">$SingleTextFileName</span><span class="s">)</span><span class="sc">;</span> | 
|  | 79   66 <span class="i">RetrieveDBInfo</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 80   67 | 
|  | 81   68 <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">numoutfiles</span>} =~ <span class="q">/^single$/i</span> <span class="s">)</span> <span class="s">{</span> | 
|  | 82   69   <span class="i">GenerateSingleTextFile</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 83   70 <span class="s">}</span> | 
|  | 84   71 <span class="k">else</span> <span class="s">{</span> | 
|  | 85   72   <span class="i">GenerateMultipleTextFiles</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 86   73 <span class="s">}</span> | 
|  | 87   74 <span class="k">print</span> <span class="q">"\nDisconnecting from  $DBDriver:database=$DBName...\n"</span><span class="sc">;</span> | 
|  | 88   75 <span class="i">DBDisconnect</span><span class="s">(</span><span class="i">$DBHandle</span><span class="s">)</span><span class="sc">;</span> | 
|  | 89   76 | 
|  | 90   77 <span class="k">print</span> <span class="q">"$ScriptName:Done...\n\n"</span><span class="sc">;</span> | 
|  | 91   78 | 
|  | 92   79 <span class="i">$EndTime</span> = <span class="w">new</span> <span class="w">Benchmark</span><span class="sc">;</span> | 
|  | 93   80 <span class="i">$TotalTime</span> = <span class="w">timediff</span> <span class="s">(</span><span class="i">$EndTime</span><span class="cm">,</span> <span class="i">$StartTime</span><span class="s">)</span><span class="sc">;</span> | 
|  | 94   81 <span class="k">print</span> <span class="q">"Total time: "</span><span class="cm">,</span> <span class="i">timestr</span><span class="s">(</span><span class="i">$TotalTime</span><span class="s">)</span><span class="cm">,</span> <span class="q">"\n"</span><span class="sc">;</span> | 
|  | 95   82 | 
|  | 96   83 <span class="c">###############################################################################</span> | 
|  | 97   84 | 
|  | 98   85 <span class="c"># Generate multiple text files...</span> | 
|  | 99 <a name="GenerateMultipleTextFiles-"></a>  86 <span class="k">sub </span><span class="m">GenerateMultipleTextFiles</span> <span class="s">{</span> | 
|  | 100   87   <span class="k">my</span><span class="s">(</span><span class="i">$Index</span><span class="cm">,</span> <span class="i">$TextFile</span><span class="cm">,</span> <span class="i">$SQL</span><span class="s">)</span><span class="sc">;</span> | 
|  | 101   88   <span class="k">if</span> <span class="s">(</span><span class="i">@DBTextFiles</span> > <span class="n">1</span><span class="s">)</span> <span class="s">{</span> | 
|  | 102   89     <span class="k">print</span> <span class="q">"Generating text files...\n"</span><span class="sc">;</span> | 
|  | 103   90   <span class="s">}</span> | 
|  | 104   91  <span class="j">TEXTFILE:</span> <span class="k">for</span> <span class="i">$Index</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#DBTextFiles</span><span class="s">)</span> <span class="s">{</span> | 
|  | 105   92     <span class="i">$TextFile</span> = <span class="i">$DBTextFiles</span>[<span class="i">$Index</span>]<span class="sc">;</span> | 
|  | 106   93     <span class="i">$SQL</span> = <span class="i">$DBSQLStatements</span>[<span class="i">$Index</span>]<span class="sc">;</span> | 
|  | 107   94 | 
|  | 108   95     <span class="k">if</span> <span class="s">(</span><span class="i">@DBTextFiles</span> > <span class="n">1</span><span class="s">)</span> <span class="s">{</span> | 
|  | 109   96       <span class="k">print</span> <span class="q">"\nGenerating text file $TextFile...\n"</span><span class="sc">;</span> | 
|  | 110   97     <span class="s">}</span> | 
|  | 111   98     <span class="k">else</span> <span class="s">{</span> | 
|  | 112   99       <span class="k">print</span> <span class="q">"Generating text file $TextFile...\n"</span><span class="sc">;</span> | 
|  | 113  100     <span class="s">}</span> | 
|  | 114  101 | 
|  | 115  102     <span class="k">if</span> <span class="s">(</span>!<span class="k">open</span> <span class="w">TEXTFILE</span><span class="cm">,</span> <span class="q">">$TextFile"</span><span class="s">)</span> <span class="s">{</span> | 
|  | 116  103       <span class="k">warn</span> <span class="q">"Warning: Abandoning $TextFile generation: Couldn't open it: $! \n"</span><span class="sc">;</span> | 
|  | 117  104       <span class="k">next</span> <span class="j">TEXTFILE</span><span class="sc">;</span> | 
|  | 118  105     <span class="s">}</span> | 
|  | 119  106     <span class="k">print</span> <span class="q">"Processing SQL statement \"$SQL\"...\n"</span><span class="sc">;</span> | 
|  | 120  107 | 
|  | 121  108     <span class="k">if</span> <span class="s">(</span><span class="i">DBSQLToTextFile</span><span class="s">(</span><span class="i">$DBHandle</span><span class="cm">,</span> <span class="i">$SQL</span><span class="cm">,</span> \<span class="i">*TEXTFILE</span><span class="cm">,</span> <span class="i">$OutDelim</span><span class="cm">,</span> <span class="i">$OutQuote</span><span class="cm">,</span> <span class="i">$ExportDataLabels</span><span class="cm">,</span> <span class="i">$ExportLOBs</span><span class="cm">,</span> <span class="i">$ReplaceNullStr</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | 
|  | 122  109       <span class="k">warn</span> <span class="q">"Warning: Abandoning $TextFile generation...\n"</span><span class="sc">;</span> | 
|  | 123  110       <span class="k">next</span> <span class="j">TEXTFILE</span><span class="sc">;</span> | 
|  | 124  111     <span class="s">}</span> | 
|  | 125  112     <span class="k">close</span> <span class="w">TEXTFILE</span><span class="sc">;</span> | 
|  | 126  113   <span class="s">}</span> | 
|  | 127  114 <span class="s">}</span> | 
|  | 128  115 | 
|  | 129  116 <span class="c"># Generate single text file...</span> | 
|  | 130 <a name="GenerateSingleTextFile-"></a> 117 <span class="k">sub </span><span class="m">GenerateSingleTextFile</span> <span class="s">{</span> | 
|  | 131  118   <span class="k">my</span><span class="s">(</span><span class="i">$Index</span><span class="cm">,</span> <span class="i">$TextFile</span><span class="cm">,</span> <span class="i">$SQL</span><span class="cm">,</span> <span class="i">$SchemaName</span><span class="cm">,</span> <span class="i">$TableName</span><span class="s">)</span><span class="sc">;</span> | 
|  | 132  119 | 
|  | 133  120   <span class="k">open</span> <span class="w">TEXTFILE</span><span class="cm">,</span> <span class="q">">$SingleTextFileName"</span> <span class="k">or</span> <span class="k">die</span> <span class="q">"Couldn't open $SingleTextFileName: $! \n"</span><span class="sc">;</span> | 
|  | 134  121   <span class="k">print</span> <span class="q">"Generating text file $SingleTextFileName...\n"</span><span class="sc">;</span> | 
|  | 135  122 | 
|  | 136  123   <span class="j">SQL:</span> <span class="k">for</span> <span class="i">$Index</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#DBSQLStatements</span><span class="s">)</span> <span class="s">{</span> | 
|  | 137  124     <span class="i">$SchemaName</span> = <span class="i">$DBSchemaNames</span>[<span class="i">$Index</span>]<span class="sc">;</span> | 
|  | 138  125     <span class="i">$TableName</span> = <span class="i">$DBTableNames</span>[<span class="i">$Index</span>]<span class="sc">;</span> | 
|  | 139  126     <span class="i">$SQL</span> = <span class="i">$DBSQLStatements</span>[<span class="i">$Index</span>]<span class="sc">;</span> | 
|  | 140  127 | 
|  | 141  128     <span class="i">$TableName</span> = <span class="q">qq($SchemaName.$TableName)</span><span class="sc">;</span> | 
|  | 142  129     <span class="i">$TableName</span> = <span class="i">QuoteAWord</span><span class="s">(</span><span class="i">$TableName</span><span class="cm">,</span> <span class="i">$OutQuote</span><span class="s">)</span><span class="sc">;</span> | 
|  | 143  130     <span class="k">print</span> <span class="i">TEXTFILE</span> <span class="q">"\n\n$TableName\n"</span><span class="sc">;</span> | 
|  | 144  131 | 
|  | 145  132     <span class="k">if</span> <span class="s">(</span><span class="i">DBSQLToTextFile</span><span class="s">(</span><span class="i">$DBHandle</span><span class="cm">,</span> <span class="i">$SQL</span><span class="cm">,</span> \<span class="i">*TEXTFILE</span><span class="cm">,</span> <span class="i">$OutDelim</span><span class="cm">,</span> <span class="i">$OutQuote</span><span class="cm">,</span> <span class="i">$ExportDataLabels</span><span class="cm">,</span> <span class="i">$ExportLOBs</span><span class="cm">,</span> <span class="i">$ReplaceNullStr</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | 
|  | 146  133       <span class="k">warn</span> <span class="q">"Warning: Abandoning table $TableName ...\n"</span><span class="sc">;</span> | 
|  | 147  134       <span class="k">next</span> <span class="j">SQL</span><span class="sc">;</span> | 
|  | 148  135     <span class="s">}</span> | 
|  | 149  136   <span class="s">}</span> | 
|  | 150  137   <span class="k">close</span> <span class="w">TEXTFILE</span><span class="sc">;</span> | 
|  | 151  138 <span class="s">}</span> | 
|  | 152  139 | 
|  | 153  140 <span class="c"># Collect input parameters information...</span> | 
|  | 154 <a name="RetrieveDBInfo-"></a> 141 <span class="k">sub </span><span class="m">RetrieveDBInfo</span> <span class="s">{</span> | 
|  | 155  142   <span class="k">my</span><span class="s">(</span><span class="i">$FileExt</span><span class="cm">,</span> <span class="i">$UserFileName</span><span class="cm">,</span> <span class="i">$FileDBPrefix</span><span class="s">)</span><span class="sc">;</span> | 
|  | 156  143 | 
|  | 157  144   <span class="c"># Setup out file ext...</span> | 
|  | 158  145   <span class="i">$FileExt</span> = <span class="s">(</span><span class="i">$Options</span>{<span class="w">outdelim</span>} =~ <span class="q">/^tab$/i</span><span class="s">)</span> ? <span class="q">"tsv"</span> <span class="co">:</span> <span class="q">"csv"</span><span class="sc">;</span> | 
|  | 159  146   <span class="i">$FileDBPrefix</span> = <span class="s">(</span><span class="i">$DBMode</span> =~ <span class="q">/^exportdata$/i</span><span class="s">)</span> ? <span class="q">"Export"</span> <span class="co">:</span> <span class="q">"Describe"</span><span class="sc">;</span> | 
|  | 160  147 | 
|  | 161  148   <span class="c"># Get user specified information...</span> | 
|  | 162  149   <span class="i">$UserFileName</span> = <span class="q">""</span><span class="sc">;</span> | 
|  | 163  150   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">root</span>} && <span class="s">(</span><span class="i">@ARGV</span> == <span class="n">1</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | 
|  | 164  151     <span class="k">my</span><span class="s">(</span><span class="i">$RootFileDir</span><span class="cm">,</span> <span class="i">$RootFileName</span><span class="cm">,</span> <span class="i">$RootFileExt</span><span class="s">)</span> = <span class="i">ParseFileName</span><span class="s">(</span><span class="i">$Options</span>{<span class="w">root</span>}<span class="s">)</span><span class="sc">;</span> | 
|  | 165  152     <span class="k">if</span> <span class="s">(</span><span class="i">$RootFileName</span> && <span class="i">$RootFileExt</span><span class="s">)</span> <span class="s">{</span> | 
|  | 166  153       <span class="i">$UserFileName</span> = <span class="i">$RootFileName</span><span class="sc">;</span> | 
|  | 167  154     <span class="s">}</span> | 
|  | 168  155     <span class="k">else</span> <span class="s">{</span> | 
|  | 169  156       <span class="i">$UserFileName</span> = <span class="i">$Options</span>{<span class="w">root</span>}<span class="sc">;</span> | 
|  | 170  157     <span class="s">}</span> | 
|  | 171  158   <span class="s">}</span> | 
|  | 172  159   <span class="i">$SingleTextFileName</span> = <span class="q">""</span><span class="sc">;</span> | 
|  | 173  160   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">numoutfiles</span>} =~ <span class="q">/^single$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 174  161     <span class="i">$SingleTextFileName</span> = <span class="i">$UserFileName</span> ? <span class="i">$UserFileName</span> <span class="co">:</span> <span class="s">(</span><span class="q">"$FileDBPrefix"</span> . <span class="q">"SchemaTables"</span><span class="s">)</span><span class="sc">;</span> | 
|  | 175  162     <span class="i">$SingleTextFileName</span> .= <span class="q">".$FileExt"</span><span class="sc">;</span> | 
|  | 176  163   <span class="s">}</span> | 
|  | 177  164 | 
|  | 178  165   <span class="c"># For each input schema name: collect all the table names, set up appropriate</span> | 
|  | 179  166   <span class="c"># SQL statements, and output file names...</span> | 
|  | 180  167   <span class="c">#</span> | 
|  | 181  168   <span class="k">my</span><span class="s">(</span><span class="i">$SchemaName</span><span class="cm">,</span> <span class="i">$SQL</span><span class="cm">,</span> <span class="i">$FileName</span><span class="cm">,</span> <span class="i">@SchemaTableNames</span><span class="cm">,</span> <span class="i">$TableName</span><span class="s">)</span><span class="sc">;</span> | 
|  | 182  169   <span class="i">@DBSchemaNames</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 183  170   <span class="i">@DBTableNames</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 184  171   <span class="i">@DBSQLStatements</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 185  172   <span class="i">@DBTextFiles</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 186  173   <span class="i">@SchemaTableNames</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 187  174   <span class="j">SCHEMANAME:</span> <span class="k">for</span> <span class="i">$SchemaName</span> <span class="s">(</span><span class="i">@ARGV</span><span class="s">)</span> <span class="s">{</span> | 
|  | 188  175     <span class="i">$SchemaName</span> = <span class="s">(</span><span class="i">$DBDriver</span> =~ <span class="q">/^(mysql|Oracle)$/i</span><span class="s">)</span> ? <span class="k">uc</span><span class="s">(</span><span class="i">$SchemaName</span><span class="s">)</span> <span class="co">:</span> <span class="i">$SchemaName</span><span class="sc">;</span> | 
|  | 189  176     <span class="k">if</span> <span class="s">(</span>!<span class="s">(</span><span class="i">@SchemaTableNames</span> = <span class="i">DBFetchSchemaTableNames</span><span class="s">(</span><span class="i">$DBDriver</span><span class="cm">,</span> <span class="i">$DBHandle</span><span class="cm">,</span> <span class="i">$SchemaName</span><span class="s">)</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | 
|  | 190  177       <span class="k">warn</span> <span class="q">"Warning: Ignoring schema $SchemaName...\n"</span><span class="sc">;</span> | 
|  | 191  178       <span class="k">next</span> <span class="j">SCHEMANAME</span><span class="sc">;</span> | 
|  | 192  179     <span class="s">}</span> | 
|  | 193  180     <span class="c"># Prepare SQL statement for each table.</span> | 
|  | 194  181     <span class="k">for</span> <span class="i">$TableName</span> <span class="s">(</span><span class="i">@SchemaTableNames</span><span class="s">)</span> <span class="s">{</span> | 
|  | 195  182       <span class="k">push</span> <span class="i">@DBSchemaNames</span><span class="cm">,</span> <span class="i">$SchemaName</span><span class="sc">;</span> | 
|  | 196  183       <span class="k">push</span> <span class="i">@DBTableNames</span><span class="cm">,</span> <span class="i">$TableName</span><span class="sc">;</span> | 
|  | 197  184       <span class="i">$SQL</span> = <span class="s">(</span><span class="i">$DBMode</span> =~ <span class="q">/^exportdata$/i</span><span class="s">)</span> ? <span class="i">DBSetupSelectSQL</span><span class="s">(</span><span class="i">$DBDriver</span><span class="cm">,</span> <span class="i">$TableName</span><span class="cm">,</span> <span class="i">$SchemaName</span><span class="s">)</span> <span class="co">:</span> <span class="i">DBSetupDescribeSQL</span><span class="s">(</span><span class="i">$DBDriver</span><span class="cm">,</span> <span class="i">$TableName</span><span class="cm">,</span> <span class="i">$SchemaName</span><span class="s">)</span><span class="sc">;</span> | 
|  | 198  185       <span class="k">push</span> <span class="i">@DBSQLStatements</span><span class="cm">,</span> <span class="i">$SQL</span><span class="sc">;</span> | 
|  | 199  186       <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">numoutfiles</span>} =~ <span class="q">/^multiple$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 200  187         <span class="i">$FileName</span> = <span class="i">$UserFileName</span> ? <span class="s">(</span><span class="q">"$UserFileName"</span> . <span class="q">"$TableName"</span><span class="s">)</span> <span class="co">:</span> <span class="s">(</span><span class="q">"$FileDBPrefix"</span> . <span class="q">"$SchemaName"</span> . <span class="q">"$TableName"</span><span class="s">)</span><span class="sc">;</span> | 
|  | 201  188         <span class="i">$FileName</span> .= <span class="q">".$FileExt"</span><span class="sc">;</span> | 
|  | 202  189         <span class="k">if</span> <span class="s">(</span>!<span class="i">$Options</span>{<span class="w">overwrite</span>}<span class="s">)</span> <span class="s">{</span> | 
|  | 203  190           <span class="k">if</span> <span class="s">(</span><span class="k">-e</span> <span class="i">$FileName</span><span class="s">)</span> <span class="s">{</span> | 
|  | 204  191             <span class="k">die</span> <span class="q">"Error: The file $FileName already exists.\n"</span><span class="sc">;</span> | 
|  | 205  192           <span class="s">}</span> | 
|  | 206  193         <span class="s">}</span> | 
|  | 207  194         <span class="k">push</span> <span class="i">@DBTextFiles</span><span class="cm">,</span> <span class="i">$FileName</span><span class="sc">;</span> | 
|  | 208  195       <span class="s">}</span> | 
|  | 209  196     <span class="s">}</span> | 
|  | 210  197   <span class="s">}</span> | 
|  | 211  198 <span class="s">}</span> | 
|  | 212  199 | 
|  | 213  200 <span class="c"># Process option values...</span> | 
|  | 214 <a name="ProcessOptions-"></a> 201 <span class="k">sub </span><span class="m">ProcessOptions</span> <span class="s">{</span> | 
|  | 215  202 | 
|  | 216  203   <span class="i">$DBDriver</span> = <span class="i">$Options</span>{<span class="w">dbdriver</span>} ? <span class="i">$Options</span>{<span class="w">dbdriver</span>} <span class="co">:</span> <span class="s">(</span><span class="k">exists</span> <span class="i">$ENV</span>{<span class="w">DBI_DRIVER</span>} ? <span class="i">$ENV</span>{<span class="w">DBI_DRIVER</span>} <span class="co">:</span> <span class="q">""</span><span class="s">)</span> <span class="sc">;</span> | 
|  | 217  204   <span class="k">if</span> <span class="s">(</span><span class="i">$DBDriver</span><span class="s">)</span> <span class="s">{</span> | 
|  | 218  205     <span class="k">if</span> <span class="s">(</span><span class="i">$DBDriver</span> =~ <span class="q">/^oracle$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 219  206       <span class="i">$DBDriver</span> = <span class="q">"Oracle"</span><span class="sc">;</span> | 
|  | 220  207     <span class="s">}</span> | 
|  | 221  208     <span class="k">elsif</span> <span class="s">(</span><span class="i">$DBDriver</span> =~ <span class="q">/^mysql$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 222  209       <span class="i">$DBDriver</span> = <span class="q">"mysql"</span><span class="sc">;</span> | 
|  | 223  210     <span class="s">}</span> | 
|  | 224  211     <span class="k">elsif</span> <span class="s">(</span><span class="i">$DBDriver</span> =~ <span class="q">/^(Pg|Postgres)$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 225  212       <span class="i">$DBDriver</span> = <span class="q">"Pg"</span><span class="sc">;</span> | 
|  | 226  213     <span class="s">}</span> | 
|  | 227  214     <span class="k">else</span> <span class="s">{</span> | 
|  | 228  215       <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">dbdriver</span>}<span class="s">)</span> <span class="s">{</span> | 
|  | 229  216         <span class="k">die</span> <span class="q">"Error: The value specified, $DBDriver, for option \"-d --dbdriver\" is not valid. Allowed values: MySQL, Oracle, Postgres or Pg\n"</span><span class="sc">;</span> | 
|  | 230  217       <span class="s">}</span> | 
|  | 231  218       <span class="k">else</span> <span class="s">{</span> | 
|  | 232  219         <span class="k">die</span> <span class="q">"Error: The value specified, $DBDriver, using environment variable DBI_DRIVER not valid. Allowed values: MySQL, Oracle, Postgres or Pg\n"</span><span class="sc">;</span> | 
|  | 233  220       <span class="s">}</span> | 
|  | 234  221     <span class="s">}</span> | 
|  | 235  222   <span class="s">}</span> | 
|  | 236  223   <span class="k">else</span> <span class="s">{</span> | 
|  | 237  224     <span class="i">$DBDriver</span> = <span class="q">"mysql"</span><span class="sc">;</span> | 
|  | 238  225   <span class="s">}</span> | 
|  | 239  226   <span class="i">$DBHost</span> = <span class="i">$Options</span>{<span class="w">dbhost</span>} ? <span class="i">$Options</span>{<span class="w">dbhost</span>} <span class="co">:</span> <span class="s">(</span><span class="k">exists</span> <span class="i">$ENV</span>{<span class="w">DBI_HOST</span>} ? <span class="i">$ENV</span>{<span class="w">DBI_HOST</span>} <span class="co">:</span> <span class="q">"127.0.0.1"</span><span class="s">)</span><span class="sc">;</span> | 
|  | 240  227   <span class="i">$DBName</span> = <span class="i">$Options</span>{<span class="w">dbname</span>} ? <span class="i">$Options</span>{<span class="w">dbname</span>} <span class="co">:</span> <span class="s">(</span><span class="k">exists</span> <span class="i">$ENV</span>{<span class="w">DBI_NAME</span>} ? <span class="i">$ENV</span>{<span class="w">DBI_NAME</span>} <span class="co">:</span> <span class="q">""</span><span class="s">)</span><span class="sc">;</span> | 
|  | 241  228   <span class="k">if</span> <span class="s">(</span>!<span class="i">$DBName</span><span class="s">)</span> <span class="s">{</span> | 
|  | 242  229     <span class="k">if</span> <span class="s">(</span><span class="i">$DBDriver</span> =~ <span class="q">/^mysql$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 243  230       <span class="i">$DBName</span> = <span class="q">"mysql"</span><span class="sc">;</span> | 
|  | 244  231     <span class="s">}</span> | 
|  | 245  232   <span class="s">}</span> | 
|  | 246  233   <span class="i">$DBUser</span> = <span class="i">$Options</span>{<span class="w">dbusername</span>} ? <span class="i">$Options</span>{<span class="w">dbusername</span>} <span class="co">:</span> <span class="s">(</span><span class="k">exists</span> <span class="i">$ENV</span>{<span class="w">DBI_USER</span>} ? <span class="i">$ENV</span>{<span class="w">DBI_USER</span>} <span class="co">:</span> <span class="q">""</span><span class="s">)</span> <span class="sc">;</span> | 
|  | 247  234   <span class="k">if</span> <span class="s">(</span>!<span class="i">$DBUser</span><span class="s">)</span> <span class="s">{</span> | 
|  | 248  235     <span class="k">die</span> <span class="q">"Error: No database username specified. Use \"--dbusername\" option or environment variable DBI_USER to enter a valid value.\n"</span><span class="sc">;</span> | 
|  | 249  236   <span class="s">}</span> | 
|  | 250  237   <span class="i">$DBPassword</span> = <span class="i">$Options</span>{<span class="w">dbpassword</span>} ? <span class="i">$Options</span>{<span class="w">dbpassword</span>} <span class="co">:</span> <span class="s">(</span><span class="k">exists</span> <span class="i">$ENV</span>{<span class="w">DBI_PASS</span>} ? <span class="i">$ENV</span>{<span class="w">DBI_PASS</span>} <span class="co">:</span> <span class="q">""</span><span class="s">)</span> <span class="sc">;</span> | 
|  | 251  238   <span class="k">if</span> <span class="s">(</span>!<span class="i">$DBPassword</span><span class="s">)</span> <span class="s">{</span> | 
|  | 252  239     <span class="k">die</span> <span class="q">"Error: No database password specified. Use \"--dbpassword\" option or environment variable DBI_PASS to enter a valid value.\n"</span><span class="sc">;</span> | 
|  | 253  240   <span class="s">}</span> | 
|  | 254  241   <span class="i">$DBMode</span> = <span class="i">$Options</span>{<span class="w">mode</span>}<span class="sc">;</span> | 
|  | 255  242   <span class="i">$ExportLOBs</span> = <span class="s">(</span><span class="i">$Options</span>{<span class="w">exportlobs</span>} =~ <span class="q">/^yes$/i</span><span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | 
|  | 256  243   <span class="i">$ExportDataLabels</span> = <span class="s">(</span><span class="i">$DBMode</span> =~ <span class="q">/^describetable$/i</span><span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="s">(</span><span class="s">(</span><span class="i">$Options</span>{<span class="w">exportdatalabels</span>} =~ <span class="q">/^yes$/i</span><span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="s">)</span><span class="sc">;</span> | 
|  | 257  244 | 
|  | 258  245   <span class="i">$OutDelim</span> = <span class="s">(</span><span class="i">$Options</span>{<span class="w">outdelim</span>} =~ <span class="q">/^tab$/i</span> <span class="s">)</span> ? <span class="q">"\t"</span> <span class="co">:</span> <span class="s">(</span><span class="s">(</span><span class="i">$Options</span>{<span class="w">outdelim</span>} =~ <span class="q">/^semicolon$/i</span><span class="s">)</span> ? <span class="q">"\;"</span> <span class="co">:</span> <span class="q">"\,"</span><span class="s">)</span><span class="sc">;</span> | 
|  | 259  246   <span class="i">$OutQuote</span> = <span class="s">(</span><span class="i">$Options</span>{<span class="w">quote</span>} =~ <span class="q">/^yes$/i</span><span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span> | 
|  | 260  247 | 
|  | 261  248   <span class="i">$ReplaceNullStr</span> = <span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$Options</span>{<span class="w">replacenullstr</span>}<span class="s">)</span> && <span class="k">length</span><span class="s">(</span><span class="i">$Options</span>{<span class="w">replacenullstr</span>}<span class="s">)</span><span class="s">)</span> ? <span class="i">$Options</span>{<span class="w">replacenullstr</span>} <span class="co">:</span> <span class="q">""</span><span class="sc">;</span> | 
|  | 262  249 <span class="s">}</span> | 
|  | 263  250 | 
|  | 264  251 <span class="c"># Setup script usage  and retrieve command line arguments specified using various options...</span> | 
|  | 265 <a name="SetupScriptUsage-"></a> 252 <span class="k">sub </span><span class="m">SetupScriptUsage</span> <span class="s">{</span> | 
|  | 266  253 | 
|  | 267  254   <span class="c"># Retrieve all the options...</span> | 
|  | 268  255   <span class="i">%Options</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> | 
|  | 269  256   <span class="i">$Options</span>{<span class="w">mode</span>} = <span class="q">"exportdata"</span><span class="sc">;</span> | 
|  | 270  257   <span class="i">$Options</span>{<span class="w">exportlobs</span>} = <span class="q">"no"</span><span class="sc">;</span> | 
|  | 271  258   <span class="i">$Options</span>{<span class="w">exportdatalabels</span>} = <span class="q">"yes"</span><span class="sc">;</span> | 
|  | 272  259   <span class="i">$Options</span>{<span class="w">numoutfiles</span>} = <span class="q">"single"</span><span class="sc">;</span> | 
|  | 273  260   <span class="i">$Options</span>{<span class="w">outdelim</span>} = <span class="q">"comma"</span><span class="sc">;</span> | 
|  | 274  261   <span class="i">$Options</span>{<span class="w">quote</span>} = <span class="q">"yes"</span><span class="sc">;</span> | 
|  | 275  262 | 
|  | 276  263   <span class="k">if</span> <span class="s">(</span>!<span class="i">GetOptions</span><span class="s">(</span>\<span class="i">%Options</span><span class="cm">,</span> <span class="q">"dbdriver|d=s"</span><span class="cm">,</span> <span class="q">"dbhost=s"</span><span class="cm">,</span> <span class="q">"dbname=s"</span><span class="cm">,</span> <span class="q">"dbpassword=s"</span><span class="cm">,</span> <span class="q">"dbusername=s"</span><span class="cm">,</span> <span class="q">"exportdatalabels=s"</span><span class="cm">,</span> <span class="q">"exportlobs=s"</span><span class="cm">,</span> <span class="q">"help|h"</span><span class="cm">,</span> <span class="q">"mode|m=s"</span><span class="cm">,</span> <span class="q">"numoutfiles|n=s"</span><span class="cm">,</span> <span class="q">"outdelim=s"</span><span class="cm">,</span> <span class="q">"overwrite|o"</span><span class="cm">,</span> <span class="q">"quote|q=s"</span><span class="cm">,</span> <span class="q">"root|r=s"</span><span class="cm">,</span> <span class="q">"replacenullstr=s"</span><span class="cm">,</span> <span class="q">"workingdir|w=s"</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> | 
|  | 277  264     <span class="k">die</span> <span class="q">"\nTo get a list of valid options and their values, use \"$ScriptName -h\" or\n\"perl -S $ScriptName -h\" command and try again...\n"</span><span class="sc">;</span> | 
|  | 278  265   <span class="s">}</span> | 
|  | 279  266   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">workingdir</span>}<span class="s">)</span> <span class="s">{</span> | 
|  | 280  267     <span class="k">if</span> <span class="s">(</span>! <span class="k">-d</span> <span class="i">$Options</span>{<span class="w">workingdir</span>}<span class="s">)</span> <span class="s">{</span> | 
|  | 281  268       <span class="k">die</span> <span class="q">"Error: The value specified, $Options{workingdir}, for option \"-w --workingdir\" is not a directory name.\n"</span><span class="sc">;</span> | 
|  | 282  269     <span class="s">}</span> | 
|  | 283  270     <span class="k">chdir</span> <span class="i">$Options</span>{<span class="w">workingdir</span>} <span class="k">or</span> <span class="k">die</span> <span class="q">"Error: Couldn't chdir $Options{workingdir}: $! \n"</span><span class="sc">;</span> | 
|  | 284  271   <span class="s">}</span> | 
|  | 285  272   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">exportdatalabels</span>} !~ <span class="q">/^(yes|no)$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 286  273     <span class="k">die</span> <span class="q">"Error: The value specified, $Options{exportlobs}, for option \"--exportdatalabels\" is not valid. Allowed values: yes or no\n"</span><span class="sc">;</span> | 
|  | 287  274   <span class="s">}</span> | 
|  | 288  275   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">exportlobs</span>} !~ <span class="q">/^(yes|no)$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 289  276     <span class="k">die</span> <span class="q">"Error: The value specified, $Options{exportlobs}, for option \"--exportlobs\" is not valid. Allowed values: yes or no\n"</span><span class="sc">;</span> | 
|  | 290  277   <span class="s">}</span> | 
|  | 291  278   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">numoutfiles</span>} !~ <span class="q">/^(single|multiple)$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 292  279     <span class="k">die</span> <span class="q">"Error: The value specified, $Options{mode}, for option \"-n --numoutfiles\" is not valid. Allowed values: single or multiple\n"</span><span class="sc">;</span> | 
|  | 293  280   <span class="s">}</span> | 
|  | 294  281   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">mode</span>} !~ <span class="q">/^(exportdata|describetable)$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 295  282     <span class="k">die</span> <span class="q">"Error: The value specified, $Options{mode}, for option \"-m --mode\" is not valid. Allowed values: exportdata or describetable\n"</span><span class="sc">;</span> | 
|  | 296  283   <span class="s">}</span> | 
|  | 297  284   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">outdelim</span>} !~ <span class="q">/^(comma|semicolon|tab)$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 298  285     <span class="k">die</span> <span class="q">"Error: The value specified, $Options{outdelim}, for option \"--outdelim\" is not valid. Allowed values: comma, tab, or semicolon\n"</span><span class="sc">;</span> | 
|  | 299  286   <span class="s">}</span> | 
|  | 300  287   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">quote</span>} !~ <span class="q">/^(yes|no)$/i</span><span class="s">)</span> <span class="s">{</span> | 
|  | 301  288     <span class="k">die</span> <span class="q">"Error: The value specified, $Options{quote}, for option \"-q --quote\" is not valid. Allowed values: yes or no\n"</span><span class="sc">;</span> | 
|  | 302  289   <span class="s">}</span> | 
|  | 303  290 <span class="s">}</span> | 
|  | 304  291 | 
|  | 305 <a name="EOF-"></a></pre> | 
|  | 306 <p> </p> | 
|  | 307 <br /> | 
|  | 308 <center> | 
|  | 309 <img src="../../../images/h2o2.png"> | 
|  | 310 </center> | 
|  | 311 </body> | 
|  | 312 </html> |