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Update mysql converter, new version released.

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REL7_1_STABLE
Bruce Momjian 25 years ago
parent aee52a6de3
commit 60cea7d71a
2 changed files with 53 additions and 24 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 73
      contrib/mysql/my2pg.pl
  2. 4
      src/include/nodes/plannodes.h

73
contrib/mysql/my2pg.pl
Unescape View File

@ -35,7 +35,7 @@
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $Id: my2pg.pl,v 1.2 2001/02/10 11:43:33 momjian Exp $
# $Id: my2pg.pl,v 1.3 2001/03/04 15:43:33 momjian Exp $
# TODO:
# + Handle SETs
@ -46,11 +46,14 @@
#
# $Log: my2pg.pl,v $
# Revision 1.2 2001/02/10 11:43:33 momjian
# cleanup
# Revision 1.3 2001/03/04 15:43:33 momjian
# Update mysql converter, new version released.
#
# Revision 1.1 2001/02/10 11:43:12 momjian
# Add other mysql conversion utility for comparisons.
# Revision 1.17 2001/03/04 13:01:50 fonin
# Fixes to make work it right with MySQL 3.23 dumps. Tested on mysqldump 8.11. Also, AUTO_INCREMENT->SERIAL fields no more have DEFAULT and NOT NULL definitions.
#
# Revision 1.16 2001/02/02 08:15:34 fonin
# Sequences should be created BEFORE creating any objects \nthat depends on it.
#
# Revision 1.15 2001/01/30 10:13:36 fonin
# Re-released under BSD-like license.
@ -59,7 +62,12 @@
# Better -n implementation.
#
# Revision 1.13 2000/12/18 15:26:33 fonin
# Added command-line options. -n forces *CHAR DEFAULT '' NOT NULL to be converted to *CHAR NULL.\nAUTO_INCREMENT fields converted not in SERIAL but in INT* NOT NULL DEFAULT nextval('seqname').\nDocumentation refreshed.\nDump enclosed in single transaction from now.
# Added command-line options. -n forces *CHAR DEFAULT '' NOT NULL to be
# converted to *CHAR NULL.
# AUTO_INCREMENT fields converted not in SERIAL but in
# INT* NOT NULL DEFAULT nextval('seqname').
# Documentation refreshed.
# Dump enclosed in single transaction from now.
#
# Revision 1.12 2000/12/14 20:57:15 fonin
# Doublequotation bug fixed (in CREATE INDEX ON TABLE (field1,field2))
@ -100,7 +108,7 @@ if($opts{n} ne '') {
$|=1;
print("------------------------------------------------------------------");
print("\n-- My2Pg \$Revision: 1.2 $ \translated dump");
print("\n-- My2Pg \$Revision: 1.3 $ \translated dump");
print("\n--");
print("\n------------------------------------------------------------------");
@ -122,7 +130,7 @@ $libtypename.='/libtypes.so';
# push header to libtypes.c
open(LIBTYPES,">$libtypesource");
print LIBTYPES "/******************************************************";
print LIBTYPES "\n * My2Pg \$Revision: 1.2 $ \translated dump";
print LIBTYPES "\n * My2Pg \$Revision: 1.3 $ \translated dump";
print LIBTYPES "\n * User types definitions";
print LIBTYPES "\n ******************************************************/";
print LIBTYPES "\n\n#include <postgres.h>\n";
@ -157,13 +165,18 @@ while (<>) {
# Convert DATE types
s/datetime/TIMESTAMP/;
s/timestamp\(\d+\)/TIMESTAMP/i;
# small hack - convert "default" to uppercase, because below we
# enclose all lowercase words in double quotes
s/default/DEFAULT/;
# Change all AUTO_INCREMENT fields to SERIAL ones with a pre-defined sequence
if(/([\w\d]+)\sint.*auto_increment/i) {
$tmpseq=new_name("$table_name"."_"."$+"."_SEQ",28);
$seq{$table_name}=$tmpseq;
$primary{$table_name}=$+;
s/(int.*?)DEFAULT\s*?'.*?'(.*?)AUTO_INCREMENT/$1$2DEFAULT nextval\('$tmpseq'\)/i;
s/(int.*?) .*AUTO_INCREMENT/$1 DEFAULT nextval\('$tmpseq'\)/i;
#s/(int.*?)DEFAULT\s*?'.*?'(.*?)AUTO_INCREMENT/$1$2DEFAULT nextval\('$tmpseq'\)/i;
}
# Fix timestamps
@ -540,9 +553,20 @@ CREATE OPERATOR <> (
$oldtable=$table_name;
$j=-1;
$check='';
if($seq{$table_name} ne '') {
print "\n\n--";
print "\n-- Sequences for table ".uc($table_name);
print "\n--\n";
print "\nCREATE SEQUENCE ".$seq{$table_name}.";\n\n";
}
print $types;
$types='';
$dump=~s/,\n\);/\n\);/gmi;
$dump=~s/,\n\).*;/\n\);/gmi;
# removing table options after closing bracket:
# ) TYPE=ISAM PACK_KEYS=1;
$dump=~s/\n\).*/\n\);/gmi;
print $dump;
$dump='';
}
@ -557,18 +581,18 @@ CREATE OPERATOR <> (
s/(PRIMARY KEY \(.*\)).*/$1$check\n/i;
}
if(/^\s*KEY (.+) \((.*)\).*/i) {
if(/^\s*KEY ([\w\d_]+)\s*\((.*)\).*/i) {
my $tmpfld=$2;
$tmpfld=~s/\s*,\s*/","/;
$index{$table_name}[++$j]="CREATE INDEX $1_$table_name\_index ON \"$table_name\" (\"$tmpfld\");";
}
if(/^\s*UNIQUE (.+) \((.*)\).*/i) {
if(/^\s*UNIQUE ([\w\d_]+)\s*\((.*)\).*/i) {
my $tmpfld=$2;
$tmpfld=~s/,/","/;
$index{$table_name}[++$j]="CREATE UNIQUE INDEX $1_$table_name\_index ON \"$table_name\" (\"$tmpfld\");";
}
s/^\s*UNIQUE (.+) (\(.*\)).*\n//i;
s/^\s*KEY (.+) (\(.*\)).*\n//i;
s/^\s*UNIQUE (.+).*(\(.*\)).*\n//i;
s/^\s*KEY (.+).*(\(.*\)).*\n//i;
if(!s/INSERT INTO\s+?(.*?)\s+?/INSERT INTO "$1" /i) {
# Quote lowercase identifiers in double quotes
@ -580,8 +604,15 @@ CREATE OPERATOR <> (
$dump.=$_;
}
if($seq{$table_name} ne '') {
print "\n\n--";
print "\n-- Sequences for table ".uc($table_name);
print "\n--\n";
print "\nCREATE SEQUENCE ".$seq{$table_name}.";\n\n";
}
print $types;
$dump=~s/,\n\);/\n\);/gmi;
$dump=~s/,\n\).*;/\n\);/gmi;
$dump=~s/\n\).*/\n\);/gmi;
print $dump;
# Output indices for tables
@ -594,8 +625,6 @@ while(my($table,$ind)=each(%index)) {
}
}
print("\n\nEND;\n");
print("\nBEGIN;\n");
while(my($table,$s)=each(%seq)) {
print "\n\n--";
@ -604,17 +633,16 @@ while(my($table,$s)=each(%seq)) {
# setting SERIAL sequence values right
if($primary{$table} ne '') {
print "\nCREATE SEQUENCE ".$seq{$table}.";";
print "\nSELECT SETVAL('".$seq{$table}."',(select case when max(\"".$primary{$table}."\")>0 then max(\"".$primary{$table}."\")+1 else 1 end from \"$table\"));";
}
}
print("\n\nEND;\n");
print("\n\nCOMMIT;\n");
close(LIBTYPES);
open(MAKE,">Makefile");
print MAKE "#
# My2Pg \$Revision: 1.2 $ \translated dump
# My2Pg \$Revision: 1.3 $ \translated dump
# Makefile
#
@ -665,7 +693,8 @@ Copyright (c) 2000 Valentine Danilchuk <valdan\@ziet.zhitomir.ua>
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
SYNTAX:
my2pg [-hn]

4
src/include/nodes/plannodes.h
Unescape View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: plannodes.h,v 1.47 2001/01/24 19:43:26 momjian Exp $
* $Id: plannodes.h,v 1.48 2001/03/04 15:43:33 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -420,7 +420,7 @@ typedef struct Tee
List *rtentries; /* the range table for the plan below the
* Tee may be different than the parent
* plans */
} Tee;
} Tee;
#endif

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