|  | @@ -1,5 +1,5 @@
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				|  |  |  <?php
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				|  |  | -// This script will generate an updated schema API array for each 
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				|  |  | +// This script will add FK relatinsions to an existing schema API array for each 
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				|  |  |  // Chado table.  It requires Chado is installed in a 'chado' schema of 
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				|  |  |  // the drupal database.  It also requires existing schema hooks for 
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				|  |  |  // version of Chado.  The goal is to use the output of this script to 
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				|  | @@ -58,26 +58,30 @@ function get_chado_fk_relationships($version){
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				|  |  |      
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				|  |  |    // iterate through the tables and get the foreign keys
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				|  |  |    print "<?php\n";
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				|  |  | -  foreach ($tables as $table){
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				|  |  | +  $referring = array();
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				|  |  | +  foreach ($tables as $table) {
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				|  |  |  
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				|  |  |       // get the existing table array
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				|  |  |       $table_arr = tripal_core_get_chado_table_schema($table);
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				|  |  |       
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				|  |  | -     if(empty($table_arr)){
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				|  |  | -        print "ERROR: emptye table definition $table\n";
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				|  |  | +     if (empty($table_arr)) {
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				|  |  | +        print "ERROR: empty table definition $table\n";
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				|  |  |       }
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				|  |  |  
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				|  |  |       // get the foreign keys and add them to the array
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				|  |  |       $fks = db_query($sql,$table);
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				|  |  | -     while($fk = db_fetch_object($fks)){
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				|  |  | +     while ($fk = db_fetch_object($fks)) {
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				|  |  |          $table_arr['foreign keys'][$fk->foreign_table_name]['table'] = $fk->foreign_table_name;
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				|  |  |          $table_arr['foreign keys'][$fk->foreign_table_name]['columns'][$fk->column_name] = $fk->foreign_column_name;
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				|  |  | +        $reffering[$fk->foreign_table_name] = $table;
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				|  |  |        }
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				|  |  |        
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				|  |  |        // reformat the array to be more legible
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				|  |  | -      $arr = var_export($table_arr,1);
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				|  |  | -      $arr = preg_replace("/\n\s+array/","array",$arr); // move array( to previous line
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				|  |  | -      $arr = preg_replace("/\n/","\n  ",$arr); // add indentation
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				|  |  | +      $arr = var_export($table_arr, 1);
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				|  |  | +      $arr = preg_replace("/\n\s+array/","array", $arr); // move array( to previous line
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				|  |  | +      $arr = preg_replace("/\n/","\n  ", $arr); // add indentation
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				|  |  | +      $arr = preg_replace("/true/","TRUE", $arr); // add indentation
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				|  |  | +      $arr = preg_replace("/array \(/","array(", $arr); // add indentation      
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				|  |  |        
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				|  |  |        // print out the new Schema API function for this table
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				|  |  |  print "/**
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