kivitendo/sql/Pg-upgrade2/tax_constraints.pl @ 18931692
| 18931692 | Niclas Zimmermann | # @tag: tax_constraints
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# @description: Setzt Fremdschlüssel und andere constraints auf die Tabellen tax und taxkeys
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# @depends: release_3_0_0
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# @charset: utf-8
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use utf8;
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use strict;
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use SL::Locale;
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die("This script cannot be run from the command line.") unless ($main::form);
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sub mydberror {
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my ($msg) = @_;
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die($dbup_locale->text("Database update error:") . "<br>$msg<br>" . $DBI::errstr);
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}
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sub do_query {
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my ($query, $may_fail) = @_;
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if (!$dbh->do($query)) {
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mydberror($query) unless ($may_fail);
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$dbh->rollback();
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$dbh->begin_work();
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}
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}
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sub do_update {
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#CHECK CONSISTANCY OF tax
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#update tax.rate and tax.taxdescription in order to set later NOT NULL constraints
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my $query= <<SQL;
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UPDATE tax SET rate=0 WHERE rate IS NULL;
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UPDATE tax SET taxdescription='-' WHERE taxdescription IS NULL;
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SQL
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do_query($query);
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#check automatic tax accounts
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$query= <<SQL;
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SELECT count(*) FROM tax WHERE chart_id NOT IN (SELECT id FROM chart);
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SQL
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my ($invalid_tax_account) = $dbh->selectrow_array($query);
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if ($invalid_tax_account > 0){
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#list all invalid tax accounts
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$query = <<SQL;
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SELECT id,
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taxkey,
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taxdescription,
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round(rate * 100, 2) AS rate
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FROM tax WHERE chart_id NOT IN (SELECT id FROM chart);
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SQL
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my $sth = $dbh->prepare($query);
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$sth->execute || $main::form->dberror($query);
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$main::form->{TAX} = [];
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while (my $ref = $sth->fetchrow_hashref("NAME_lc")) {
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push @{ $main::form->{TAX} }, $ref;
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}
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$sth->finish;
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$main::form->{invalid_tax_account} = 1;
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print_error_message();
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return 0;
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}
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#check entry tax.taxkey of NOT NULL
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$query= <<SQL;
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SELECT count(*) FROM tax WHERE taxkey IS NULL;
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SQL
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my ($taxkey_is_null) = $dbh->selectrow_array($query);
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if ($taxkey_is_null > 0){
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#list all invalid tax accounts
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$query = <<SQL;
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SELECT id,
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taxdescription,
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round(rate * 100, 2) AS rate,
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(SELECT accno FROM chart WHERE id = chart_id) AS taxnumber,
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(SELECT description FROM chart WHERE id = chart_id) AS account_description
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FROM tax
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WHERE taxkey IS NULL;
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SQL
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my $sth = $dbh->prepare($query);
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$sth->execute || $main::form->dberror($query);
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$main::form->{TAX} = [];
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while (my $ref = $sth->fetchrow_hashref("NAME_lc")) {
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push @{ $main::form->{TAX} }, $ref;
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}
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$sth->finish;
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$main::form->{taxkey_is_null} = 1;
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print_error_message();
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return 0;
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}
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#END CHECK OF tax
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#CHECK CONSISTANCY OF taxkeys
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#delete invalide entries in taxkeys
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$query= <<SQL;
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DELETE FROM taxkeys
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WHERE chart_id IS NULL
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OR chart_id NOT IN (SELECT id FROM chart)
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OR startdate IS NULL;
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SQL
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do_query($query);
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#There are 3 cases for taxkeys.tax_id and taxkeys.taxkey_id
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#taxkeys.taxkey_id is NULL and taxkeys.tax_id is not NULL:
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#Update taxkeys.taxkey_id with tax.taxkey
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$query= <<SQL;
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UPDATE taxkeys
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SET taxkey_id = (SELECT t.taxkey
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FROM tax t
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WHERE t.id=tax_id)
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WHERE taxkey_id IS NULL
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AND tax_id IS NOT NULL;
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SQL
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do_query($query);
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#taxkeys.taxkey_id and taxkeys.tax_id are NULL:
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#Set taxkey 0 in this case:
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$query= <<SQL;
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UPDATE taxkeys
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SET taxkey_id = 0, tax_id = (SELECT id FROM tax WHERE taxkey=0)
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WHERE taxkey_id IS NULL
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AND tax_id IS NULL;
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SQL
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do_query($query);
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#Last case where taxkeys.taxkey_id is not null and taxkeys.tax_id is null
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#If such entries exist we update with an entry in tax where tax.rate=0
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#and tax.taxkey corresponds to taxkeys.taxkey_id.
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#If no entry in tax with rate 0 and taxkey taxkeys.taxkey_id exists
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#we create one.
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$query= <<SQL;
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SELECT DISTINCT taxkey_id
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FROM taxkeys
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WHERE taxkey_id IS NOT NULL
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AND tax_id IS NULL;
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SQL
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my $sth = $dbh->prepare($query);
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$sth->execute || $main::form->dberror($query);
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$main::form->{TAXID} = [];
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my $rowcount = 0;
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while (my $ref = $sth->fetchrow_hashref("NAME_lc")) {
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push @{ $main::form->{TAXID} }, $ref;
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$rowcount++;
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}
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$sth->finish;
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my $insertquery;
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my $updatequery;
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my $tax_id;
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for my $i (0 .. $rowcount-1){
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$query= qq|
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SELECT id FROM tax WHERE rate = 0 and taxkey=| . $main::form->{TAXID}[$i]->{taxkey_id} . qq| LIMIT 1
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|;
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($tax_id) = $dbh->selectrow_array($query);
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if ( not $tax_id ){
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$insertquery=qq|
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INSERT INTO tax (rate, taxdescription, taxkey) VALUES (0, '| . $::locale->text('0% tax with taxkey') . $main::form->{TAXID}[$i]->{taxkey_id} . $::locale->text('. Automatically generated.') .
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qq|', | . $main::form->{TAXID}[$i]->{taxkey_id} . qq|);
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|;
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do_query($insertquery);
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($tax_id) = $dbh->selectrow_array($query);
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$tax_id || $main::form->dberror($query);
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}
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$updatequery = qq|
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UPDATE taxkeys SET tax_id= | . $tax_id . qq| WHERE taxkey_id = | . $main::form->{TAXID}[$i]->{taxkey_id} . qq| AND tax_id IS NULL
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|;
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do_query($updatequery);
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}
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#The triple taxkey_id, chart_id, startdate in taxkeys has to be unique
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#Select these entries:
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$query= <<SQL;
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SELECT DISTINCT tk1.chart_id AS chart_id, tk1.startdate AS startdate
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FROM taxkeys tk1
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WHERE (SELECT count(*)
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FROM taxkeys tk2
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WHERE tk2.chart_id = tk1.chart_id
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AND tk2.startdate = tk1.startdate) > 1;
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SQL
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$sth = $dbh->prepare($query);
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$sth->execute || $main::form->dberror($query);
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$main::form->{TAXKEYS} = [];
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$rowcount = 0;
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while (my $ref = $sth->fetchrow_hashref("NAME_lc")) {
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push @{ $main::form->{TAXKEYS} }, $ref;
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$rowcount++;
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}
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$sth->finish;
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for my $i (0 .. $rowcount-1){
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$query= qq|
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DELETE FROM taxkeys tk1
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WHERE (SELECT count(*)
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FROM taxkeys tk2
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WHERE tk2.chart_id = tk1.chart_id
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AND tk2.startdate = tk1.startdate) > 1
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AND NOT tk1.id = (SELECT id
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FROM taxkeys
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WHERE chart_id = | . $main::form->{TAXKEYS}[$i]->{chart_id} . qq|
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AND startdate = '| . $main::form->{TAXKEYS}[$i]->{startdate} . qq|'
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LIMIT 1)
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|;
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do_query($query);
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}
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#END CHECK OF taxkeys
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#ADD CONSTRAINTS:
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#Now the database is consistent, so we can add constraints:
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#Crate NOT NULL constraint for tax.rate with default value 0
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$query= <<SQL;
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ALTER TABLE tax ALTER COLUMN rate SET NOT NULL;
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ALTER TABLE tax ALTER COLUMN rate SET DEFAULT 0;
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SQL
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do_query($query);
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#Create NOT NULL constraint for tax.description
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$query= <<SQL;
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ALTER TABLE tax ALTER COLUMN taxdescription SET NOT NULL;
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SQL
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do_query($query);
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#Create foreign key for tax.chart_id to chart.id
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$query= <<SQL;
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ALTER TABLE tax ADD FOREIGN KEY (chart_id) REFERENCES chart(id);
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SQL
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do_query($query);
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#Create NOT NULL constraint for tax.taxkey
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$query= <<SQL;
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ALTER TABLE tax ALTER COLUMN taxkey SET NOT NULL;
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SQL
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do_query($query);
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#Create NOT NULL constraint for taxkey.chart_id and foreign key for taxkey.chart_id
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$query= <<SQL;
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ALTER TABLE taxkeys ALTER COLUMN chart_id SET NOT NULL;
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ALTER TABLE taxkeys ADD FOREIGN KEY (chart_id) REFERENCES chart(id);
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SQL
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do_query($query);
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#Create NOT NULL constraint for taxkey.startdate
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$query= <<SQL;
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ALTER TABLE taxkeys ALTER COLUMN startdate SET NOT NULL;
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SQL
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do_query($query);
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#Create NOT NULL constraint for taxkey.taxkey_id
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$query= <<SQL;
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ALTER TABLE taxkeys ALTER COLUMN taxkey_id SET NOT NULL;
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SQL
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do_query($query);
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#Create NOT NULL constraint for taxkey.tax_id
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$query= <<SQL;
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ALTER TABLE taxkeys ALTER COLUMN tax_id SET NOT NULL;
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SQL
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do_query($query);
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#The triple chart_id, taxkey_id, startdate should be unique:
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$query= <<SQL;
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CREATE UNIQUE INDEX taxkeys_chartid_startdate ON taxkeys(chart_id, startdate);
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SQL
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do_query($query);
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#ALL CONSTRAINTS WERE ADDED
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return 1;
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}; # end do_update
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sub print_error_message {
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print $main::form->parse_html_template("dbupgrade/tax_constraints");
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}
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return do_update();
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