+++ /dev/null
-#!/usr/bin/perl -w
-# mysql2pgsql
-# MySQL to PostgreSQL dump file converter
-#
-# For usage: perl mysql2pgsql.perl --help
-#
-# ddl statments are changed but none or only minimal real data
-# formatting are done.
-# data consistency is up to the DBA.
-#
-# (c) 2004-2007 Jose M Duarte and Joseph Speigle ... gborg
-#
-# (c) 2000-2004 Maxim Rudensky <fonin@omnistaronline.com>
-# (c) 2000 Valentine Danilchuk <valdan@ziet.zhitomir.ua>
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-# 1. Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# 2. Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-# 3. All advertising materials mentioning features or use of this software
-# must display the following acknowledgement:
-# This product includes software developed by the Max Rudensky
-# and its contributors.
-# 4. Neither the name of the author nor the names of its contributors
-# may be used to endorse or promote products derived from this software
-# without specific prior written permission.
-# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
-# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
-# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-# SUCH DAMAGE.
-
-use Getopt::Long;
-
-use POSIX;
-
-use strict;
-use warnings;
-
-
-# main sections
-# -------------
-# 1 variable declarations
-# 2 subroutines
-# 3 get commandline options and specify help statement
-# 4 loop through file and process
-# 5. print_plpgsql function prototype
-
-#################################################################
-# 1. variable declarations
-#################################################################
-# command line options
-my( $ENC_IN, $ENC_OUT, $PRESERVE_CASE, $HELP, $DEBUG, $SCHEMA, $LOWERCASE, $CHAR2VARCHAR, $NODROP, $SEP_FILE, $opt_debug, $opt_help, $opt_schema, $opt_preserve_case, $opt_char2varchar, $opt_nodrop, $opt_sepfile, $opt_enc_in, $opt_enc_out );
-# variables for constructing pre-create-table entities
-my $pre_create_sql=''; # comments, 'enum' constraints preceding create table statement
-my $auto_increment_seq= ''; # so we can easily substitute it if we need a default value
-my $create_sql=''; # all the datatypes in the create table section
-my $post_create_sql=''; # create indexes, foreign keys, table comments
-my $function_create_sql = ''; # for the set (function,trigger) and CURRENT_TIMESTAMP ( function,trigger )
-# constraints
-my ($type, $column_valuesStr, @column_values, $value );
-my %constraints=(); # holds values constraints used to emulate mysql datatypes (e.g. year, set)
-# datatype conversion variables
-my ( $index,$seq);
-my ( $column_name, $col, $quoted_column);
-my ( @year_holder, $year, $constraint_table_name);
-my $table=""; # table_name for create sql statements
-my $table_no_quotes=""; # table_name for create sql statements
-my $sl = '^\s+\w+\s+'; # matches the column name
-my $tables_first_timestamp_column= 1; # decision to print warnings about default_timestamp not being in postgres
-my $mysql_numeric_datatypes = "TINYINT|SMALLINT|MEDIUMINT|INT|INTEGER|BIGINT|REAL|DOUBLE|FLOAT|DECIMAL|NUMERIC";
-my $mysql_datetime_datatypes = "|DATE|TIME|TIMESTAMP|DATETIME|YEAR";
-my $mysql_text_datatypes = "CHAR|VARCHAR|BINARY|VARBINARY|TINYBLOB|BLOB|MEDIUMBLOB|LONGBLOB|TINYTEXT|TEXT|MEDIUMTEXT|LONGTEXT|ENUM|SET";
-my $mysql_datatypesStr = $mysql_numeric_datatypes . "|". $mysql_datetime_datatypes . "|". $mysql_text_datatypes ;
-# handling INSERT INTO statements
-my $rowRe = qr{
- \( # opening parens
- ( # (start capture)
- (?: # (start group)
- ' # string start
- [^'\\]* # up to string-end or backslash (escape)
- (?: # (start group)
- \\. # gobble escaped character
- [^'\\]* # up to string-end of backslash
- )* # (end group, repeat zero or more)
- ' # string end
- | # (OR)
- .*? # everything else (not strings)
- )* # (end group, repeat zero or more)
- ) # (end capture)
- \) # closing parent
-}x;
-
-my ($insert_table, $valueString);
-#
-########################################################
-# 2. subroutines
-#
-# get_identifier
-# print_post_create_sql()
-# quote_and_lc()
-# make_plpgsql($table,$column_name) -- at end of file
-########################################################
-
-# returns an identifier with the given suffix doing controlled
-# truncation if necessary
-sub get_identifier($$$) {
- my ($table, $col, $suffix) = @_;
- my $name = '';
- $table=~s/\"//g; # make sure that $table doesn't have quotes so we don't end up with redundant quoting
- # in the case of multiple columns
- my @cols = split(/,/,$col);
- $col =~ s/,//g;
- # in case all columns together too long we have to truncate them
- if (length($col) > 55) {
- my $totaltocut = length($col)-55;
- my $tocut = ceil($totaltocut / @cols);
- @cols = map {substr($_,0,abs(length($_)-$tocut))} @cols;
- $col="";
- foreach (@cols){
- $col.=$_;
- }
- }
-
- my $max_table_length = 63 - length("_${col}_$suffix");
-
- if (length($table) > $max_table_length) {
- $table = substr($table, length($table) - $max_table_length, $max_table_length);
- }
- return quote_and_lc("${table}_${col}_${suffix}");
-}
-
-
-#
-#
-# called when we encounter next CREATE TABLE statement
-# also called at EOF to print out for last table
-# prints comments, indexes, foreign key constraints (the latter 2 possibly to a separate file)
-sub print_post_create_sql() {
- my ( @create_idx_comments_constraints_commandsArr, $stmts, $table_field_combination);
- my %stmts;
- # loop to check for duplicates in $post_create_sql
- # Needed because of duplicate key declarations ( PRIMARY KEY and KEY), auto_increment columns
-
- @create_idx_comments_constraints_commandsArr = split(';\n?', $post_create_sql);
- if ($SEP_FILE) {
- open(SEP_FILE, ">>:encoding($ENC_OUT)", $SEP_FILE) or die "Unable to open $SEP_FILE for output: $!\n";
- }
-
- foreach (@create_idx_comments_constraints_commandsArr) {
- if (m/CREATE INDEX "*(\S+)"*\s/i) { # CREATE INDEX korean_english_wordsize_idx ON korean_english USING btree (wordsize);
- $table_field_combination = $1;
- # if this particular table_field_combination was already used do not print the statement:
- if ($SEP_FILE) {
- print SEP_FILE "$_;\n" if !defined($stmts{$table_field_combination});
- } else {
- print OUT "$_;\n" if !defined($stmts{$table_field_combination});
- }
- $stmts{$table_field_combination} = 1;
- }
- elsif (m/COMMENT/i) { # COMMENT ON object IS 'text'; but comment may be part of table name so use 'elsif'
- print OUT "$_;\n"
- } else { # foreign key constraint or comments (those preceded by -- )
- if ($SEP_FILE) {
- print SEP_FILE "$_;\n";
- } else {
- print OUT "$_;\n"
- }
- }
- }
-
- if ($SEP_FILE) {
- close SEP_FILE;
- }
- $post_create_sql='';
- # empty %constraints for next " create table" statement
-}
-
-# quotes a string or a multicolumn string (comma separated)
-# and optionally lowercase (if LOWERCASE is set)
-# lowercase .... if user wants default postgres behavior
-# quotes .... to preserve keywords and to preserve case when case-sensitive tables are to be used
-sub quote_and_lc($)
-{
- my $col = shift;
- if ($LOWERCASE) {
- $col = lc($col);
- }
- if ($col =~ m/,/) {
- my @cols = split(/,\s?/, $col);
- @cols = map {"\"$_\""} @cols;
- return join(', ', @cols);
- } else {
- return "\"$col\"";
- }
-}
-
-########################################################
-# 3. get commandline options and maybe print help
-########################################################
-
-GetOptions("help", "debug"=> \$opt_debug, "schema=s" => \$SCHEMA, "preserve_case" => \$opt_preserve_case, "char2varchar" => \$opt_char2varchar, "nodrop" => \$opt_nodrop, "sepfile=s" => \$opt_sepfile, "enc_in=s" => \$opt_enc_in, "enc_out=s" => \$opt_enc_out );
-
-$HELP = $opt_help || 0;
-$DEBUG = $opt_debug || 0;
-$PRESERVE_CASE = $opt_preserve_case || 0;
-if ($PRESERVE_CASE == 1) { $LOWERCASE = 0; }
-else { $LOWERCASE = 1; }
-$CHAR2VARCHAR = $opt_char2varchar || 0;
-$NODROP = $opt_nodrop || 0;
-$SEP_FILE = $opt_sepfile || 0;
-$ENC_IN = $opt_enc_in || 'utf8';
-$ENC_OUT = $opt_enc_out || 'utf8';
-
-if (($HELP) || ! defined($ARGV[0]) || ! defined($ARGV[1])) {
- print "\n\nUsage: perl $0 {--help --debug --preserve_case --char2varchar --nodrop --schema --sepfile --enc_in --enc_out } mysql.sql pg.sql\n";
- print "\t* OPTIONS WITHOUT ARGS\n";
- print "\t--help: prints this message \n";
- print "\t--debug: output the commented-out mysql line above the postgres line in pg.sql \n";
- print "\t--preserve_case: prevents automatic case-lowering of column and table names\n";
- print "\t\tIf you want to preserve case, you must set this flag. For example,\n";
- print "\t\tIf your client application quotes table and column-names and they have cases in them, set this flag\n";
- print "\t--char2varchar: converts all char fields to varchar\n";
- print "\t--nodrop: strips out DROP TABLE statements\n";
- print "\t\totherise harmless warnings are printed by psql when the dropped table does not exist\n";
- print "\n\t* OPTIONS WITH ARGS\n";
- print "\t--schema: outputs a line into the postgres sql file setting search_path \n";
- print "\t--sepfile: output foreign key constraints and indexes to a separate file so that it can be\n";
- print "\t\timported after large data set is inserted from another dump file\n";
- print "\t--enc_in: encoding of mysql in file (default utf8) \n";
- print "\t--enc_out: encoding of postgres out file (default utf8) \n";
- print "\n\t* REQUIRED ARGUMENTS\n";
- if (defined ($ARGV[0])) {
- print "\tmysql.sql ($ARGV[0])\n";
- } else {
- print "\tmysql.sql (undefined)\n";
- }
- if (defined ($ARGV[1])) {
- print "\tpg.sql ($ARGV[1])\n";
- } else {
- print "\tpg.sql (undefined)\n";
- }
- print "\n";
- exit 1;
-}
-########################################################
-# 4. process through mysql_dump.sql file
-# in a big loop
-########################################################
-
-# open in and out files
-open(IN,"<:encoding($ENC_IN)", $ARGV[0]) || die "can't open mysql dump file $ARGV[0]";
-open(OUT,">:encoding($ENC_OUT)", $ARGV[1]) || die "can't open pg dump file $ARGV[1]";
-
-# output header
-print OUT "--\n";
-print OUT "-- Generated from mysql2pgsql.perl\n";
-print OUT "-- http://gborg.postgresql.org/project/mysql2psql/\n";
-print OUT "-- (c) 2001 - 2007 Jose M. Duarte, Joseph Speigle\n";
-print OUT "--\n";
-print OUT "\n";
-print OUT "-- warnings are printed for drop tables if they do not exist\n";
-print OUT "-- please see http://archives.postgresql.org/pgsql-novice/2004-10/msg00158.php\n\n";
-print OUT "-- ##############################################################\n";
-
-if ($SCHEMA ) {
- print OUT "set search_path='" . $SCHEMA . "'\\g\n" ;
-}
-
-# loop through mysql file on a per-line basis
-while(<IN>) {
-
-############## flow #########################
-# (the lines are directed to different string variables at different times)
-#
-# handle drop table , unlock, connect statements
-# if ( start of create table) {
-# print out post_create table (indexes, foreign key constraints, comments from previous table)
-# add drop table statement if !$NODROP to pre_create_sql
-# next;
-# }
-# else if ( inside create table) {
-# add comments in this portion to create_sql
-# if ( end of create table) {
-# delete mysql-unique CREATE TABLE commands
-# print pre_create_sql
-# print the constraint tables for set and year datatypes
-# print create_sql
-# print function_create_sql (this is for the enum columns only)
-# next;
-# }
-# do substitutions
-# -- NUMERIC DATATYPES
-# -- CHARACTER DATATYPES
-# -- DATE AND TIME DATATYPES
-# -- KEY AND UNIQUE CREATIONS
-# and append them to create_sql
-# } else {
-# print inserts on-the-spot (this script only changes default timestamp of 0000-00-00)
-# }
-# LOOP until EOF
-#
-########################################################
-
-
-if (!/^\s*insert into/i) { # not inside create table so don't worry about data corruption
- s/`//g; # '`pgsql uses no backticks to denote table name (CREATE TABLE `sd`) or around field
- # and table names like mysql
- # doh! we hope all dashes and special chars are caught by the regular expressions :)
-}
-if (/^\s*USE\s*([^;]*);/) {
- print OUT "\\c ". $1;
- next;
-}
-if (/^(UN)?LOCK TABLES/i || /drop\s+table/i ) {
-
- # skip
- # DROP TABLE is added when we see the CREATE TABLE
- next;
-}
-if (/(create\s+table\s+)([-_\w]+)\s/i) { # example: CREATE TABLE `english_english`
- print_post_create_sql(); # for last table
- $tables_first_timestamp_column= 1; # decision to print warnings about default_timestamp not being in postgres
- $create_sql = '';
- $table_no_quotes = $2 ;
- $table=quote_and_lc($2);
- if ( !$NODROP ) { # always print drop table if user doesn't explicitly say not to
- # to drop a table that is referenced by a view or a foreign-key constraint of another table,
- # CASCADE must be specified. (CASCADE will remove a dependent view entirely, but in the
- # in the foreign-key case it will only remove the foreign-key constraint, not the other table entirely.)
- # (source: 8.1.3 docs, section "drop table")
- warn "table $table will be dropped CASCADE\n";
- $pre_create_sql .= "DROP TABLE $table CASCADE;\n"; # custom dumps may be missing the 'dump' commands
- }
-
- s/(create\s+table\s+)([-_\w]+)\s/$1 $table /i;
- if ($DEBUG) {
- $create_sql .= '-- ' . $_;
- }
- $create_sql .= $_;
- next;
-}
-if ($create_sql ne "") { # we are inside create table statement so lets process datatypes
- # print out comments or empty lines in context
- if ($DEBUG) {
- $create_sql .= '-- ' . $_;
- }
- if (/^#/ || /^$/ || /^\s*--/) {
- s/^#/--/; # Two hyphens (--) is the SQL-92 standard indicator for comments
- $create_sql.=$_;
- next;
- }
-
- if (/\).*;/i) { # end of create table squence
-
- s/INSERT METHOD[=\s+][^;\s]+//i;
- s/PASSWORD=[^;\s]+//i;
- s/ROW_FORMAT=(?:DEFAULT|DYNAMIC|FIXED|COMPRESSED|REDUNDANT|COMPACT)+//i;
- s/KEY_BLOCK_SIZE=8//i;
- s/DELAY KEY WRITE=[^;\s]+//i;
- s/INDEX DIRECTORY[=\s+][^;\s]+//i;
- s/DATA DIRECTORY=[^;\s]+//i;
- s/CONNECTION=[^;\s]+//i;
- s/CHECKSUM=[^;\s]+//i;
- s/Type=[^;\s]+//i; # ISAM , # older versions
- s/COLLATE=[^;\s]+//i; # table's collate
- s/COLLATE\s+[^;\s]+//i; # table's collate
- # possible AUTO_INCREMENT starting index, it is used in mysql 5.0.26, not sure since which version
- if (/AUTO_INCREMENT=(\d+)/i) {
- # should take < ---- ) ENGINE=MyISAM AUTO_INCREMENT=16 DEFAULT CHARSET=latin1;
- # and should ouput ---> CREATE SEQUENCE "rhm_host_info_id_seq" START WITH 16;
- my $start_value = $1;
- print $auto_increment_seq . "--\n";
- # print $pre_create_sql . "--\n";
- $pre_create_sql =~ s/(CREATE SEQUENCE $auto_increment_seq )/$1 START WITH $start_value /;
- }
- s/AUTO_INCREMENT=\d+//i;
- s/PACK_KEYS=\d//i; # mysql 5.0.22
- s/DEFAULT CHARSET=[^;\s]+//i; # my mysql version is 4.1.11
- s/ENGINE\s*=\s*[^;\s]+//i; # my mysql version is 4.1.11
- s/ROW_FORMAT=[^;\s]+//i; # my mysql version is 5.0.22
- s/KEY_BLOCK_SIZE=8//i;
- s/MIN_ROWS=[^;\s]+//i;
- s/MAX_ROWS=[^;\s]+//i;
- s/AVG_ROW_LENGTH=[^;\s]+//i;
- if (/COMMENT='([^']*)'/) { # ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COMMENT='must be country zones';
- $post_create_sql.="COMMENT ON TABLE $table IS '$1'\;"; # COMMENT ON table_name IS 'text';
- s/COMMENT='[^']*'//i;
- }
- $create_sql =~ s/,$//g; # strip last , inside create table
- # make sure we end in a comma, as KEY statments are turned
- # into post_create_sql indices
- # they often are the last line so leaving a 'hanging comma'
- my @array = split("\n", $create_sql);
- for (my $a = $#array; $a >= 0; $a--) { #loop backwards
- if ($a == $#array && $array[$a] =~ m/,\s*$/) { # for last line
- $array[$a] =~ s/,\s*$//;
- next;
- }
- if ($array[$a] !~ m/create table/i) { # i.e. if there was more than one column in table
- if ($a != $#array && $array[$a] !~ m/,\s*$/ ) { # for second to last
- $array[$a] =~ s/$/,/;
- last;
- }
- elsif ($a != $#array && $array[$a] =~ m/,\s*$/ ) { # for second to last
- last;
- }
- }
- }
- $create_sql = join("\n", @array) . "\n";
- $create_sql .= $_;
-
- # put comments out first
- print OUT $pre_create_sql;
-
- # create separate table to reference and to hold mysql's possible set data-type
- # values. do that table's creation before create table
- # definition
- foreach $column_name (keys %constraints) {
- $type=$constraints{$column_name}{'type'};
- $column_valuesStr = $constraints{$column_name}{'values'};
- $constraint_table_name = get_identifier(${table},${column_name} ,"constraint_table");
- if ($type eq 'set') {
- print OUT qq~DROP TABLE $constraint_table_name CASCADE\\g\n~ ;
- print OUT qq~create table $constraint_table_name ( set_values varchar UNIQUE)\\g\n~ ;
- $function_create_sql .= make_plpgsql($table,$column_name);
- } elsif ($type eq 'year') {
- print OUT qq~DROP TABLE $constraint_table_name CASCADE\\g\n~ ;
- print OUT qq~create table $constraint_table_name ( year_values varchar UNIQUE)\\g\n~ ;
- }
- @column_values = split /,/, $column_valuesStr;
- foreach $value (@column_values) {
- print OUT qq~insert into $constraint_table_name values ( $value )\\g\n~; # ad ' for ints and varchars
- }
- }
-
- $create_sql =~ s/double double/double precision/g;
-
- # print create table and reset create table vars
- # when moving from each "create table" to "insert" part of dump
- print OUT $create_sql;
- print OUT $function_create_sql;
- $pre_create_sql="";
- $auto_increment_seq="";
- $create_sql="";
- $function_create_sql='';
- %constraints=();
- # the post_create_sql for this table is output at the beginning of the next table def
- # in case we want to make indexes after doing inserting
- next;
- }
- if (/^\s*(\w+)\s+.*COMMENT\s*'([^']*)'/) { #`zone_country_id` int(11) COMMENT 'column comment here',
- $quoted_column=quote_and_lc($1);
- $post_create_sql.="COMMENT ON COLUMN $table"."."." $quoted_column IS '$2'\;"; # COMMENT ON table_name.column_name IS 'text';
- s/COMMENT\s*'[^']*'//i;
- }
-
-
- # NUMERIC DATATYPES
- #
- # auto_increment -> sequences
- # UNSIGNED conversions
- # TINYINT
- # SMALLINT
- # MEDIUMINT
- # INT, INTEGER
- # BIGINT
- #
- # DOUBLE [PRECISION], REAL
- # DECIMAL(M,D), NUMERIC(M,D)
- # FLOAT(p)
- # FLOAT
-
- s/(\w*int)\(\d+\)/$1/g; # hack of the (n) stuff for e.g. mediumint(2) int(3)
-
- if (/^(\s*)(\w+)\s*.*numeric.*auto_increment/i) { # int,auto_increment -> serial
- $seq = get_identifier($table, $2, 'seq');
- $quoted_column=quote_and_lc($2);
- # Smash datatype to int8 and autogenerate the sequence.
- s/^(\s*)(\w+)\s*.*NUMERIC(.*)auto_increment([^,]*)/$1 $quoted_column serial8 $4/ig;
- $create_sql.=$_;
- next;
- }
- if (/^\s*(\w+)\s+.*int.*auto_increment/i) { # example: data_id mediumint(8) unsigned NOT NULL auto_increment,
- $seq = get_identifier($table, $1, 'seq');
- $quoted_column=quote_and_lc($1);
- s/(\s*)(\w+)\s+.*int.*auto_increment([^,]*)/$1 $quoted_column serial8 $3/ig;
- $create_sql.=$_;
- next;
- }
-
-
-
-
- # convert UNSIGNED to CHECK constraints
- if (m/^(\s*)(\w+)\s+((float|double precision|double|real|decimal|numeric))(.*)unsigned/i) {
- $quoted_column = quote_and_lc($2);
- s/^(\s*)(\w+)\s+((float|double precision|double|real|decimal|numeric))(.*)unsigned/$1 $quoted_column $3 $4 CHECK ($quoted_column >= 0)/i;
- }
- # example: `wordsize` tinyint(3) unsigned default NULL,
- if (m/^(\s+)(\w+)\s+(\w+)\s+unsigned/i) {
- $quoted_column=quote_and_lc($2);
- s/^(\s+)(\w+)\s+(\w+)\s+unsigned/$1 $quoted_column $3 CHECK ($quoted_column >= 0)/i;
- }
- if (m/^(\s*)(\w+)\s+(bigint.*)unsigned/) {
- $quoted_column=quote_and_lc($2);
- # see http://archives.postgresql.org/pgsql-general/2005-07/msg01178.php
- # and see http://www.postgresql.org/docs/8.2/interactive/datatype-numeric.html
- # see http://dev.mysql.com/doc/refman/5.1/en/numeric-types.html max size == 20 digits
- s/^(\s*)(\w+)\s+bigint(.*)unsigned/$1 $quoted_column NUMERIC (20,0) CHECK ($quoted_column >= 0)/i;
-
- }
-
- # int type conversion
- # TINYINT (signed) -128 to 127 (unsigned) 0 255
- # SMALLINT A small integer. The signed range is -32768 to 32767. The unsigned range is 0 to 65535.
- # MEDIUMINT A medium-sized integer. The signed range is -8388608 to 8388607. The unsigned range is 0 to 16777215.
- # INT A normal-size integer. The signed range is -2147483648 to 2147483647. The unsigned range is 0 to 4294967295.
- # BIGINT The signed range is -9223372036854775808 to 9223372036854775807. The unsigned range is 0 to 18446744073709551615
- # for postgres see http://www.postgresql.org/docs/8.2/static/datatype-numeric.html#DATATYPE-INT
- s/^(\s+"*\w+"*\s+)tinyint/$1 smallint/i;
- s/^(\s+"*\w+"*\s+)mediumint/$1 integer/i;
-
- # the floating point types
- # double -> double precision
- # double(n,m) -> double precision
- # float - no need for conversion
- # float(n) - no need for conversion
- # float(n,m) -> double precision
-
- s/(^\s*\w+\s+)double(\(\d+,\d+\))?/$1float/i;
- s/float(\(\d+,\d+\))/float/i;
-
- #
- # CHARACTER TYPES
- #
- # set
- # enum
- # binary(M), VARBINARy(M), tinyblob, tinytext,
- # bit
- # char(M), varchar(M)
- # blob -> text
- # mediumblob
- # longblob, longtext
- # text -> text
- # mediumtext
- # longtext
- # mysql docs: A BLOB is a binary large object that can hold a variable amount of data.
-
- # set
- # For example, a column specified as SET('one', 'two') NOT NULL can have any of these values:
- # ''
- # 'one'
- # 'two'
- # 'one,two'
- if (/(\w*)\s+set\(((?:['"]\w+['"]\s*,*)+(?:['"]\w+['"])*)\)(.*)$/i) { # example: `au_auth` set('r','w','d') NOT NULL default '',
- $column_name = $1;
- $constraints{$column_name}{'values'} = $2; # 'abc','def', ...
- $constraints{$column_name}{'type'} = "set"; # 'abc','def', ...
- $_ = qq~ $column_name varchar , ~;
- $column_name = quote_and_lc($1);
- $create_sql.=$_;
- next;
-
- }
- if (/(\S*)\s+enum\(((?:['"][^'"]+['"]\s*,)+['"][^'"]+['"])\)(.*)$/i) { # enum handling
- # example: `test` enum('?','+','-') NOT NULL default '?'
- # $2 is the values of the enum 'abc','def', ...
- $quoted_column=quote_and_lc($1);
- # "test" NOT NULL default '?' CONSTRAINT test_test_constraint CHECK ("test" IN ('?','+','-'))
- $_ = qq~ $quoted_column varchar CHECK ($quoted_column IN ( $2 ))$3\n~; # just assume varchar?
- $create_sql.=$_;
- next;
- }
- # Take care of "binary" option for char and varchar
- # (pre-4.1.2, it indicated a byte array; from 4.1.2, indicates
- # a binary collation)
- s/(?:var)?char(?:\(\d+\))? (?:byte|binary)/text/i;
- if (m/(?:var)?binary\s*\(\d+\)/i) { # c varBINARY(3) in Mysql
- warn "WARNING in table '$table' '$_': binary type is converted to bytea (unsized) for Postgres\n";
- }
- s/(?:var)?binary(?:\(\d+\))?/text/i; # c varBINARY(3) in Mysql
- s/bit(?:\(\d+\))?/bytea/i; # bit datatype -> bytea
-
- # large datatypes
- s/\w*blob/bytea/gi;
- s/tinytext/text/gi;
- s/mediumtext/text/gi;
- s/longtext/text/gi;
-
- # char -> varchar -- if specified as a command line option
- # PostgreSQL would otherwise pad with spaces as opposed
- # to MySQL! Your user interface may depend on this!
- if ($CHAR2VARCHAR) {
- s/(^\s+\S+\s+)char/${1}varchar/gi;
- }
-
- # nuke column's collate and character set
- s/(\S+)\s+character\s+set\s+\w+/$1/gi;
- s/(\S+)\s+collate\s+\w+/$1/gi;
-
- #
- # DATE AND TIME TYPES
- #
- # date time
- # year
- # datetime
- # timestamp
-
- # date time
- # these are the same types in postgres, just do the replacement of 0000-00-00 date
-
- if (m/default '(\d+)-(\d+)-(\d+)([^']*)'/i) { # we grab the year, month and day
- # NOTE: times of 00:00:00 are possible and are okay
- my $time = '';
- my $year=$1;
- my $month= $2;
- my $day = $3;
- if ($4) {
- $time = $4;
- }
- if ($year eq "0000") { $year = '1970'; }
- if ($month eq "00") { $month = '01'; }
- if ($day eq "00") { $day = '01'; }
- s/default '[^']+'/default '$year-$month-$day$time'/i; # finally we replace with $datetime
- }
-
- # convert mysql's year datatype to a constraint
- if (/(\w*)\s+year\(4\)(.*)$/i) { # can be integer OR string 1901-2155
- $constraint_table_name = get_identifier($table,$1 ,"constraint_table");
- $column_name=quote_and_lc($1);
- @year_holder = ();
- $year='';
- for (1901 .. 2155) {
- $year = "'$_'";
- unless ($year =~ /2155/) { $year .= ','; }
- push( @year_holder, $year);
- }
- $constraints{$column_name}{'values'} = join('','',@year_holder); # '1901','1902', ...
- $constraints{$column_name}{'type'} = "year";
- $_ = qq~ $column_name varchar CONSTRAINT ${table}_${column_name}_constraint REFERENCES $constraint_table_name ("year_values") $2\n~;
- $create_sql.=$_;
- next;
- } elsif (/(\w*)\s+year\(2\)(.*)$/i) { # same for a 2-integer string
- $constraint_table_name = get_identifier($table,$1 ,"constraint_table");
- $column_name=quote_and_lc($1);
- @year_holder = ();
- $year='';
- for (1970 .. 2069) {
- $year = "'$_'";
- if ($year =~ /2069/) { next; }
- push( @year_holder, $year);
- }
- push( @year_holder, '0000');
- $constraints{$column_name}{'values'} = join(',',@year_holder); # '1971','1972', ...
- $constraints{$column_name}{'type'} = "year"; # 'abc','def', ...
- $_ = qq~ $1 varchar CONSTRAINT ${table}_${column_name}_constraint REFERENCES $constraint_table_name ("year_values") $2\n~;
- $create_sql.=$_;
- next;
- }
-
- # datetime
- # Default on a dump from MySQL 5.0.22 is in the same form as datetime so let it flow down
- # to the timestamp section and deal with it there
- s/(${sl})datetime /$1timestamp without time zone /i;
-
- # change not null datetime field to null valid ones
- # (to support remapping of "zero time" to null
- # s/($sl)datetime not null/$1timestamp without time zone/i;
-
-
- # timestamps
- #
- # nuke datetime representation (not supported in PostgreSQL)
- # change default time of 0000-00-00 to 1970-01-01
-
- # we may possibly need to create a trigger to provide
- # equal functionality with ON UPDATE CURRENT TIMESTAMP
-
-
- if (m/${sl}timestamp/i) {
- if ( m/ON UPDATE CURRENT_TIMESTAMP/i ) { # the ... default CURRENT_TIMESTAMP only applies for blank inserts, not updates
- s/ON UPDATE CURRENT_TIMESTAMP//i ;
- m/^\s*(\w+)\s+timestamp/i ;
- # automatic trigger creation
- $table_no_quotes =~ s/"//g;
-$function_create_sql .= " CREATE OR REPLACE FUNCTION update_". $table_no_quotes . "() RETURNS trigger AS '
-BEGIN
- NEW.$1 := CURRENT_TIMESTAMP;
- RETURN NEW;
-END;
-' LANGUAGE 'plpgsql';
-
--- before INSERT is handled by 'default CURRENT_TIMESTAMP'
-CREATE TRIGGER add_current_date_to_".$table_no_quotes." BEFORE UPDATE ON ". $table . " FOR EACH ROW EXECUTE PROCEDURE
-update_".$table_no_quotes."();\n";
-
- }
- if ($tables_first_timestamp_column && m/DEFAULT NULL/i) {
- # DEFAULT NULL is the same as DEFAULT CURRENT_TIMESTAMP for the first TIMESTAMP column. (MYSQL manual)
- s/($sl)(timestamp\s+)default null/$1 $2 DEFAULT CURRENT_TIMESTAMP/i;
- }
- $tables_first_timestamp_column= 0;
- if (m/${sl}timestamp\s*\(\d+\)/i) { # fix for timestamps with width spec not handled (ID: 1628)
- warn "WARNING for in table '$table' '$_': your default timestamp width is being ignored for table $table \n";
- s/($sl)timestamp(?:\(\d+\))/$1datetime/i;
- }
- } # end timestamp section
-
- # KEY AND UNIQUE CREATIONS
- #
- # unique
- if ( /^\s+unique\s+\(([^(]+)\)/i ) { # example UNIQUE `name` (`name`), same as UNIQUE KEY
- # POSTGRESQL: treat same as mysql unique
- $quoted_column = quote_and_lc($1);
- s/\s+unique\s+\(([^(]+)\)/ unique ($quoted_column) /i;
- $create_sql.=$_;
- next;
- } elsif ( /^\s+unique\s+key\s*(\w+)\s*\(([^(]+)\)/i ) { # example UNIQUE KEY `name` (`name`)
- # MYSQL: unique key: allows null=YES, allows duplicates=NO (*)
- # ... new ... UNIQUE KEY `unique_fullname` (`fullname`) in my mysql v. Ver 14.12 Distrib 5.1.7-beta
- # POSTGRESQL: treat same as mysql unique
- # just quote columns
- $quoted_column = quote_and_lc($2);
- s/\s+unique\s+key\s*(\w+)\s*\(([^(]+)\)/ unique ($quoted_column) /i;
- $create_sql.=$_;
- # the index corresponding to the 'key' is automatically created
- next;
- }
- # keys
- if ( /^\s+fulltext key\s+/i) { # example: FULLTEXT KEY `commenttext` (`commenttext`)
- # that is key as a word in the first check for a match
- # the tsvector datatype is made for these types of things
- # example mysql file:
- # what is tsvector datatype?
- # http://www.sai.msu.su/~megera/postgres/gist/tsearch/V2/docs/tsearch-V2-intro.html
- warn "dba must do fulltext key transformation for $table\n";
- next;
- }
- if ( /^(\s+)constraint (\S+) foreign key \((\S+)\) references (\S+) \((\S+)\)(.*)/i ) {
- $quoted_column =quote_and_lc($3);
- $col=quote_and_lc($5);
- $post_create_sql .= "ALTER TABLE $table ADD FOREIGN KEY ($quoted_column) REFERENCES " . quote_and_lc($4) . " ($col);\n";
- next;
- }
- if ( /^\s*primary key\s*\(([^)]+)\)([,\s]+)/i ) { # example PRIMARY KEY (`name`)
- # MYSQL: primary key: allows null=NO , allows duplicates=NO
- # POSTGRESQL: When an index is declared unique, multiple table rows with equal indexed values will not be
- # allowed. Null values are not considered equal.
- # POSTGRESQL quote's source: 8.1.3 docs section 11.5 "unique indexes"
- # so, in postgres, we need to add a NOT NULL to the UNIQUE constraint
- # and, primary key (mysql) == primary key (postgres) so that we *really* don't need change anything
- $quoted_column = quote_and_lc($1);
- s/(\s*)primary key\s+\(([^)]+)\)([,\s]+)/$1 primary key ($quoted_column)$3/i;
- # indexes are automatically created for unique columns
- $create_sql.=$_;
- next;
- } elsif (m/^\s+key\s[-_\s\w]+\((.+)\)/i ) { # example: KEY `idx_mod_english_def_word` (`word`),
- # regular key: allows null=YES, allows duplicates=YES
- # MYSQL: KEY is normally a synonym for INDEX. http://dev.mysql.com/doc/refman/5.1/en/create-table.html
- #
- # * MySQL: ALTER TABLE {$table} ADD KEY $column ($column)
- # * PostgreSQL: CREATE INDEX {$table}_$column_idx ON {$table}($column) // Please note the _idx "extension"
- # PRIMARY KEY (`postid`),
- # KEY `ownerid` (`ownerid`)
- # create an index for everything which has a key listed for it.
- my $col = $1;
- # TODO we don't have a translation for the substring syntax in text columns in MySQL (e.g. "KEY my_idx (mytextcol(20))")
- # for now just getting rid of the brackets and numbers (the substring specifier):
- $col=~s/\(\d+\)//g;
- $quoted_column = quote_and_lc($col);
- if ($col =~ m/,/) {
- $col = s/,/_/;
- }
- $index = get_identifier($table, $col, 'idx');
- $post_create_sql.="CREATE INDEX $index ON $table USING btree ($quoted_column)\;";
- # just create index do not add to create table statement
- next;
- }
-
- # handle 'key' declared at end of column
- if (/\w+.*primary key/i) { # mysql: key is normally just a synonym for index
- # just leave as is ( postgres has primary key type)
-
-
- } elsif (/(\w+\s+(?:$mysql_datatypesStr)\s+.*)key/i) { # mysql: key is normally just a synonym for index
- # I can't find a reference for 'key' in a postgres command without using the word 'primary key'
- s/$1key/$1/i ;
- $index = get_identifier($table, $1, 'idx');
- $quoted_column =quote_and_lc($1);
- $post_create_sql.="CREATE INDEX $index ON $table USING btree ($quoted_column) \;";
- $create_sql.=$_;
- }
-
-
-
- # do we really need this anymore?
- # remap colums with names of existing system attribute
- if (/"oid"/i) {
- s/"oid"/"_oid"/g;
- print STDERR "WARNING: table $table uses column \"oid\" which is renamed to \"_oid\"\nYou should fix application manually! Press return to continue.";
- my $wait=<STDIN>;
- }
-
- s/oid/_oid/i if (/key/i && /oid/i); # fix oid in key
-
- # FINAL QUOTING OF ALL COLUMNS
- # quote column names which were not already quoted
- # perhaps they were not quoted because they were not explicitly handled
- if (!/^\s*"(\w+)"(\s+)/i) {
- /^(\s*)(\w+)(\s+)(.*)$/i ;
- $quoted_column= quote_and_lc($2);
- s/^(\s*)(\w+)(\s+)(.*)$/$1 $quoted_column $3 $4 /;
- }
- $create_sql.=$_;
- # END of if ($create_sql ne "") i.e. were inside create table statement so processed datatypes
-}
-# add "not in create table" comments or empty lines to pre_create_sql
-elsif (/^#/ || /^$/ || /^\s*--/) {
- s/^#/--/; # Two hyphens (--) is the SQL-92 standard indicator for comments
- $pre_create_sql .= $_ ; # printed above create table statement
- next;
-}
-elsif (/^\s*insert into/i) { # not inside create table and doing insert
- # fix mysql's zero/null value for timestamps
- s/'0000-00-00/'1970-01-01/gi;
- # commented out to fix bug "Field contents interpreted as a timestamp", what was the point of this line anyway?
- #s/([12]\d\d\d)([01]\d)([0-3]\d)([0-2]\d)([0-6]\d)([0-6]\d)/'$1-$2-$3 $4:$5:$6'/;
-
- #---- fix data in inserted data: (from MS world)
- s!\x96!-!g; # --
- s!\x93!"!g; # ``
- s!\x94!"!g; # ''
- s!\x85!... !g; # \ldots
- s!\x92!`!g;
-
- print OUT $pre_create_sql; # print comments preceding the insert section
- $pre_create_sql="";
- $auto_increment_seq = "";
-
- s/'((?:[^'\\]++|\\.)*+)'(?=[),])/E'$1'/g;
- # for the E'' see http://www.postgresql.org/docs/8.2/interactive/release-8-1.html
- s!\\\\!\\\\\\\\!g; # replace \\ with ]\\\\
-
- # split 'extended' INSERT INTO statements to something PostgreSQL can understand
- ( $insert_table, $valueString) = $_ =~ m/^INSERT\s+INTO\s+['`"]*(.*?)['`"]*\s+VALUES\s*(.*)/i;
- $insert_table = quote_and_lc($insert_table);
-
- s/^INSERT INTO.*?\);//i; # hose the statement which is to be replaced whether a run-on or not
- # guarantee table names are quoted
- print OUT qq(INSERT INTO $insert_table VALUES $valueString \n);
-
-} else {
- print OUT $_ ; # example: /*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
-}
-# keep looping and get next line of IN file
-
-} # END while(<IN>)
-
-print_post_create_sql(); # in case there is extra from the last table
-
-#################################################################
-# 5. print_plgsql function prototype
-# emulate the set datatype with the following plpgsql function
-# looks ugly so putting at end of file
-#################################################################
-#
-sub make_plpgsql {
-my ($table,$column_name) = ($_[0],$_[1]);
-$table=~s/\"//g; # make sure that $table doesn't have quotes so we don't end up with redundant quoting
-my $constraint_table = get_identifier($table,$column_name ,"constraint_table");
-return "
--- this function is called by the insert/update trigger
--- it checks if the INSERT/UPDATE for the 'set' column
--- contains members which comprise a valid mysql set
--- this TRIGGER function therefore acts like a constraint
--- provided limited functionality for mysql's set datatype
--- just verifies and matches for string representations of the set at this point
--- though the set datatype uses bit comparisons, the only supported arguments to our
--- set datatype are VARCHAR arguments
--- to add a member to the set add it to the ".$table."_".$column_name." table
-CREATE OR REPLACE FUNCTION check_".$table."_".$column_name."_set( ) RETURNS TRIGGER AS \$\$\n
-DECLARE
-----
-arg_str VARCHAR ;
-argx VARCHAR := '';
-nobreak INT := 1;
-rec_count INT := 0;
-psn INT := 0;
-str_in VARCHAR := NEW.$column_name;
-----
-BEGIN
-----
-IF str_in IS NULL THEN RETURN NEW ; END IF;
-arg_str := REGEXP_REPLACE(str_in, '\\',\\'', ','); -- str_in is CONSTANT
-arg_str := REGEXP_REPLACE(arg_str, '^\\'', '');
-arg_str := REGEXP_REPLACE(arg_str, '\\'\$', '');
--- RAISE NOTICE 'arg_str %',arg_str;
-psn := POSITION(',' in arg_str);
-IF psn > 0 THEN
- psn := psn - 1; -- minus-1 from comma position
- -- RAISE NOTICE 'psn %',psn;
- argx := SUBSTRING(arg_str FROM 1 FOR psn); -- get one set member
- psn := psn + 2; -- go to first starting letter
- arg_str := SUBSTRING(arg_str FROM psn); -- hack it off
-ELSE
- psn := 0; -- minus-1 from comma position
- argx := arg_str;
-END IF;
--- RAISE NOTICE 'argx %',argx;
--- RAISE NOTICE 'new arg_str: %',arg_str;
-WHILE nobreak LOOP
- EXECUTE 'SELECT count(*) FROM $constraint_table WHERE set_values = ' || quote_literal(argx) INTO rec_count;
- IF rec_count = 0 THEN RAISE EXCEPTION 'one of the set values was not found';
- END IF;
- IF psn > 0 THEN
- psn := psn - 1; -- minus-1 from comma position
- -- RAISE NOTICE 'psn %',psn;
- argx := SUBSTRING(arg_str FROM 1 FOR psn); -- get one set member
- psn := psn + 2; -- go to first starting letter
- arg_str := SUBSTRING(arg_str FROM psn); -- hack it off
- psn := POSITION(',' in arg_str);
- ELSE nobreak = 0;
- END IF;
- -- RAISE NOTICE 'next argx % and next arg_str %', argx, arg_str;
-END LOOP;
-RETURN NEW;
-----
-END;
-\$\$ LANGUAGE 'plpgsql' VOLATILE;
-
-drop trigger set_test ON $table;
--- make a trigger for each set field
--- make trigger and hard-code in column names
--- see http://archives.postgresql.org/pgsql-interfaces/2005-02/msg00020.php
-CREATE TRIGGER set_test
-BEFORE INSERT OR UPDATE ON $table FOR EACH ROW
-EXECUTE PROCEDURE check_".$table."_".$column_name."_set();\n";
-} # end sub make_plpgsql();
-
projects / nominatim.git / blobdiff