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reworked installation/upgrade process to not use delta-updates any more, as we can now reliable read the schema back from our supported databases:

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- makes update scripts a lot easier and saver
- updates are a lot faster now
==> only the needed update-functions get called
This commit is contained in:
Ralf Becker
2004-10-23 15:00:44 +00:00
parent fe6b0728de
commit 630c88d766
5 changed files with 184 additions and 436 deletions
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20
phpgwapi/inc/adodb/datadict/datadict-postgres.inc.php
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@@ -131,6 +131,9 @@ class ADODB2_postgres extends ADODB_DataDict {
list($lines,$pkey) = $this->_GenFields($flds);
$alter = 'ALTER TABLE ' . $tabname . $this->addCol . ' ';
foreach($lines as $v) {
if (($not_null = preg_match('/NOT NULL/i',$v))) {
$v = preg_replace('/NOT NULL/i','',$v);
}
if (preg_match('/^([^ ]+) .*(DEFAULT [^ ]+)/',$v,$matches)) {
list(,$colname,$default) = $matches;
$sql[] = $alter . str_replace($default,'',$v);
@@ -138,6 +141,10 @@ class ADODB2_postgres extends ADODB_DataDict {
} else {
$sql[] = $alter . $v;
}
if ($not_null) {
list($colname) = explode(' ',$v);
$sql[] = 'ALTER TABLE '.$tabname.' ALTER COLUMN '.$colname.' SET NOT NULL';
}
}
return $sql;
}
@@ -194,8 +201,8 @@ class ADODB2_postgres extends ADODB_DataDict {
* @internal
* @param string $tabname table-name
* @param string $dropflds column-names to drop
* @param string $tableflds complete defintion of the new table, eg. for postgres, default ''
* @param array/ $tableoptions options for the new table see CreateTableSQL, default ''
* @param string $tableflds complete defintion of the new table, eg. for postgres
* @param array/string $tableoptions options for the new table see CreateTableSQL, default ''
* @return array with SQL strings
*/
function _recreate_copy_table($tabname,$dropflds,$tableflds,$tableoptions='')
@@ -204,7 +211,13 @@ class ADODB2_postgres extends ADODB_DataDict {
$copyflds = array();
foreach($this->MetaColumns($tabname) as $fld) {
if (!$dropflds || !in_array($fld->name,$dropflds)) {
$copyflds[] = $fld->name;
// we need to explicit convert varchar to a number to be able to do an AlterColumn of a char column to a nummeric one
if (preg_match('/'.$fld->name.' (I|I2|I4|I8|N|F)/i',$tableflds,$matches) &&
in_array($fld->type,array('varchar','char','text','bytea'))) {
$copyflds[] = "to_number($fld->name,'S99D99')";
} else {
$copyflds[] = $fld->name;
}
// identify the sequence name and the fld its on
if ($fld->primary_key && $fld->has_default &&
preg_match("/nextval\('([^']+)'::text\)/",$fld->default_value,$matches)) {
@@ -222,6 +235,7 @@ class ADODB2_postgres extends ADODB_DataDict {
$aSql = array_merge($aSql,$this->CreateTableSQL($tabname,$tableflds,$tableoptions));
$aSql[] = "INSERT INTO $tabname SELECT $copyflds FROM $tempname";
if ($seq_name && $seq_fld) { // if we have a sequence we need to set it again
$seq_name = $tabname.'_'.$seq_fld.'_seq'; // has to be the name of the new implicit sequence
$aSql[] = "SELECT setval('$seq_name',MAX($seq_fld)) FROM $tabname";
}
$aSql[] = "DROP TABLE $tempname";