Update mysql converter, new version released.
This commit is contained in:
Bruce Momjian
parent
aee52a6de3
commit
60cea7d71a
@ -35,7 +35,7 @@
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $Id: my2pg.pl,v 1.2 2001/02/10 11:43:33 momjian Exp $
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# $Id: my2pg.pl,v 1.3 2001/03/04 15:43:33 momjian Exp $
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# TODO:
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# + Handle SETs
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@ -46,11 +46,14 @@
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#
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# $Log: my2pg.pl,v $
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# Revision 1.2 2001/02/10 11:43:33 momjian
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# cleanup
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# Revision 1.3 2001/03/04 15:43:33 momjian
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# Update mysql converter, new version released.
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#
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# Revision 1.1 2001/02/10 11:43:12 momjian
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# Add other mysql conversion utility for comparisons.
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# Revision 1.17 2001/03/04 13:01:50 fonin
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# 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.
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#
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# Revision 1.16 2001/02/02 08:15:34 fonin
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# Sequences should be created BEFORE creating any objects \nthat depends on it.
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#
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# Revision 1.15 2001/01/30 10:13:36 fonin
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# Re-released under BSD-like license.
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@ -59,7 +62,12 @@
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# Better -n implementation.
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#
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# Revision 1.13 2000/12/18 15:26:33 fonin
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# 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.
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# Added command-line options. -n forces *CHAR DEFAULT '' NOT NULL to be
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# converted to *CHAR NULL.
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# AUTO_INCREMENT fields converted not in SERIAL but in
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# INT* NOT NULL DEFAULT nextval('seqname').
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# Documentation refreshed.
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# Dump enclosed in single transaction from now.
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#
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# Revision 1.12 2000/12/14 20:57:15 fonin
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# Doublequotation bug fixed (in CREATE INDEX ON TABLE (field1,field2))
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@ -100,7 +108,7 @@ if($opts{n} ne '') {
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$|=1;
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print("------------------------------------------------------------------");
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print("\n-- My2Pg \$Revision: 1.2 $ \translated dump");
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print("\n-- My2Pg \$Revision: 1.3 $ \translated dump");
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print("\n--");
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print("\n------------------------------------------------------------------");
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@ -122,7 +130,7 @@ $libtypename.='/libtypes.so';
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# push header to libtypes.c
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open(LIBTYPES,">$libtypesource");
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print LIBTYPES "/******************************************************";
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print LIBTYPES "\n * My2Pg \$Revision: 1.2 $ \translated dump";
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print LIBTYPES "\n * My2Pg \$Revision: 1.3 $ \translated dump";
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print LIBTYPES "\n * User types definitions";
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print LIBTYPES "\n ******************************************************/";
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print LIBTYPES "\n\n#include <postgres.h>\n";
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@ -157,13 +165,18 @@ while (<>) {
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# Convert DATE types
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s/datetime/TIMESTAMP/;
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s/timestamp\(\d+\)/TIMESTAMP/i;
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# small hack - convert "default" to uppercase, because below we
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# enclose all lowercase words in double quotes
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s/default/DEFAULT/;
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# Change all AUTO_INCREMENT fields to SERIAL ones with a pre-defined sequence
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if(/([\w\d]+)\sint.*auto_increment/i) {
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$tmpseq=new_name("$table_name"."_"."$+"."_SEQ",28);
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$seq{$table_name}=$tmpseq;
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$primary{$table_name}=$+;
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s/(int.*?)DEFAULT\s*?'.*?'(.*?)AUTO_INCREMENT/$1$2DEFAULT nextval\('$tmpseq'\)/i;
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s/(int.*?) .*AUTO_INCREMENT/$1 DEFAULT nextval\('$tmpseq'\)/i;
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#s/(int.*?)DEFAULT\s*?'.*?'(.*?)AUTO_INCREMENT/$1$2DEFAULT nextval\('$tmpseq'\)/i;
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}
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# Fix timestamps
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@ -540,9 +553,20 @@ CREATE OPERATOR <> (
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$oldtable=$table_name;
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$j=-1;
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$check='';
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if($seq{$table_name} ne '') {
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print "\n\n--";
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print "\n-- Sequences for table ".uc($table_name);
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print "\n--\n";
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print "\nCREATE SEQUENCE ".$seq{$table_name}.";\n\n";
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}
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print $types;
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$types='';
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$dump=~s/,\n\);/\n\);/gmi;
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$dump=~s/,\n\).*;/\n\);/gmi;
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# removing table options after closing bracket:
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# ) TYPE=ISAM PACK_KEYS=1;
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$dump=~s/\n\).*/\n\);/gmi;
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print $dump;
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$dump='';
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}
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@ -557,18 +581,18 @@ CREATE OPERATOR <> (
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s/(PRIMARY KEY \(.*\)).*/$1$check\n/i;
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}
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if(/^\s*KEY (.+) \((.*)\).*/i) {
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if(/^\s*KEY ([\w\d_]+)\s*\((.*)\).*/i) {
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my $tmpfld=$2;
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$tmpfld=~s/\s*,\s*/","/;
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$index{$table_name}[++$j]="CREATE INDEX $1_$table_name\_index ON \"$table_name\" (\"$tmpfld\");";
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}
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if(/^\s*UNIQUE (.+) \((.*)\).*/i) {
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if(/^\s*UNIQUE ([\w\d_]+)\s*\((.*)\).*/i) {
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my $tmpfld=$2;
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$tmpfld=~s/,/","/;
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$index{$table_name}[++$j]="CREATE UNIQUE INDEX $1_$table_name\_index ON \"$table_name\" (\"$tmpfld\");";
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}
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s/^\s*UNIQUE (.+) (\(.*\)).*\n//i;
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s/^\s*KEY (.+) (\(.*\)).*\n//i;
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s/^\s*UNIQUE (.+).*(\(.*\)).*\n//i;
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s/^\s*KEY (.+).*(\(.*\)).*\n//i;
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if(!s/INSERT INTO\s+?(.*?)\s+?/INSERT INTO "$1" /i) {
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# Quote lowercase identifiers in double quotes
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@ -580,8 +604,15 @@ CREATE OPERATOR <> (
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$dump.=$_;
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}
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if($seq{$table_name} ne '') {
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print "\n\n--";
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print "\n-- Sequences for table ".uc($table_name);
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print "\n--\n";
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print "\nCREATE SEQUENCE ".$seq{$table_name}.";\n\n";
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}
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print $types;
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$dump=~s/,\n\);/\n\);/gmi;
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$dump=~s/,\n\).*;/\n\);/gmi;
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$dump=~s/\n\).*/\n\);/gmi;
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print $dump;
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# Output indices for tables
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@ -594,8 +625,6 @@ while(my($table,$ind)=each(%index)) {
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}
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}
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print("\n\nEND;\n");
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print("\nBEGIN;\n");
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while(my($table,$s)=each(%seq)) {
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print "\n\n--";
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@ -604,17 +633,16 @@ while(my($table,$s)=each(%seq)) {
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# setting SERIAL sequence values right
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if($primary{$table} ne '') {
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print "\nCREATE SEQUENCE ".$seq{$table}.";";
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print "\nSELECT SETVAL('".$seq{$table}."',(select case when max(\"".$primary{$table}."\")>0 then max(\"".$primary{$table}."\")+1 else 1 end from \"$table\"));";
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}
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}
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print("\n\nEND;\n");
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print("\n\nCOMMIT;\n");
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close(LIBTYPES);
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open(MAKE,">Makefile");
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print MAKE "#
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# My2Pg \$Revision: 1.2 $ \translated dump
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# My2Pg \$Revision: 1.3 $ \translated dump
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# Makefile
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#
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@ -665,7 +693,8 @@ Copyright (c) 2000 Valentine Danilchuk <valdan\@ziet.zhitomir.ua>
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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SYNTAX:
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my2pg [-hn]
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@ -7,7 +7,7 @@
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* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: plannodes.h,v 1.47 2001/01/24 19:43:26 momjian Exp $
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* $Id: plannodes.h,v 1.48 2001/03/04 15:43:33 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -420,7 +420,7 @@ typedef struct Tee
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List *rtentries; /* the range table for the plan below the
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* Tee may be different than the parent
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* plans */
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} Tee;
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} Tee;
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#endif
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