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Support MaxDB for sequences #932

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merged 5 commits into from Jan 12, 2022
Merged

Support MaxDB for sequences #932

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c7641da
Merge pull request #1 from liquibase/master
wuttke Nov 9, 2019
a097870
MaxDB sequence query
Nov 9, 2019
bf79f20
Fix more queries for MaxDB
Nov 9, 2019
a6eb072
Merge remote-tracking branch 'upstream/master'
Dec 12, 2019
b834fe2
Merge branch 'master' of https://github.com/wuttke/liquibase into wut…
nvoxland Jan 5, 2022
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5 changes: 5 additions & 0 deletions liquibase-core/src/main/java/liquibase/snapshot/JdbcDatabaseSnapshot.java
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Expand Up @@ -1544,6 +1544,11 @@ private String createSql(String catalogName, String schemaName, String tableName
if (tableName != null) {
sql += " and table_name='" + tableName + "'";
}
} else if (database.getClass().getName().contains("MaxDB")) { //have to check classname as this is currently an extension
sql = "select distinct tablename AS TABLE_NAME, constraintname AS CONSTRAINT_NAME from CONSTRAINTCOLUMNS WHERE CONSTRAINTTYPE = 'UNIQUE_CONST'";
if (tableName != null) {
sql += " and tablename='" + tableName + "'";
}
} else if (database instanceof MSSQLDatabase) {
sql =
"SELECT " +
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8 changes: 5 additions & 3 deletions liquibase-core/src/main/java/liquibase/snapshot/jvm/SequenceSnapshotGenerator.java
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Expand Up @@ -278,9 +278,11 @@ protected String getSelectSequenceSql(Schema schema, Database database) {
"FROM SYS.SYSSEQUENCE s " +
"JOIN SYS.SYSUSER u ON s.OWNER = u.USER_ID "+
"WHERE u.USER_NAME = '" + schema.getName() + "'";
} else {
} else if (database.getClass().getName().contains("MaxDB")) { //have to check classname as this is currently an extension
return "SELECT SEQUENCE_NAME, MIN_VALUE, MAX_VALUE, INCREMENT_BY, CYCLE_FLAG AS WILL_CYCLE " +
"FROM sequences WHERE SCHEMANAME = '" + schema.getName() + "'";
} else {
throw new UnexpectedLiquibaseException("Don't know how to query for sequences on " + database);
}

}
}
}
5 changes: 4 additions & 1 deletion liquibase-core/src/main/java/liquibase/snapshot/jvm/UniqueConstraintSnapshotGenerator.java
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Expand Up @@ -183,7 +183,6 @@ protected List<CachedRow> listConstraints(Table table, DatabaseSnapshot snapshot
+ "and const.table_name=col.table_name "
+ "and const.constraint_name=col.constraint_name "
+ "where const.constraint_catalog='" + database.correctObjectName(schema.getCatalogName(), Catalog.class) + "' ";

if (database instanceof CockroachDatabase) {
sql += " and (select count(*) from (select indexdef from pg_indexes where schemaname='" + database.correctObjectName(schema.getSchema().getName(), Schema.class) + "' AND indexname='" + database.correctObjectName(name, UniqueConstraint.class) + "' AND (position('DESC,' in indexdef) > 0 OR position('DESC)' in indexdef) > 0))) = 0"
+ "and const.constraint_name != 'primary' ";
Expand All @@ -195,6 +194,10 @@ protected List<CachedRow> listConstraints(Table table, DatabaseSnapshot snapshot
}

sql += "order by ordinal_position";
} else if (database.getClass().getName().contains("MaxDB")) { //have to check classname as this is currently an extension
sql = "select CONSTRAINTNAME as constraint_name, COLUMNNAME as column_name from CONSTRAINTCOLUMNS WHERE CONSTRAINTTYPE = 'UNIQUE_CONST' AND tablename = '"
+ database.correctObjectName(example.getRelation().getName(), Table.class) + "' AND constraintname = '"
+ database.correctObjectName(name, UniqueConstraint.class) + "'";
} else if (database instanceof MSSQLDatabase) {
sql =
"SELECT " +
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