org.jooq.meta.postgres.PostgresDatabase Maven / Gradle / Ivy
/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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* limitations under the License.
*
* Other licenses:
* -----------------------------------------------------------------------------
* Commercial licenses for this work are available. These replace the above
* ASL 2.0 and offer limited warranties, support, maintenance, and commercial
* database integrations.
*
* For more information, please visit: http://www.jooq.org/licenses
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*/
package org.jooq.meta.postgres;
import static org.jooq.impl.DSL.array;
import static org.jooq.impl.DSL.cast;
import static org.jooq.impl.DSL.condition;
import static org.jooq.impl.DSL.count;
import static org.jooq.impl.DSL.decode;
import static org.jooq.impl.DSL.falseCondition;
import static org.jooq.impl.DSL.field;
import static org.jooq.impl.DSL.inline;
import static org.jooq.impl.DSL.max;
import static org.jooq.impl.DSL.name;
import static org.jooq.impl.DSL.noCondition;
import static org.jooq.impl.DSL.not;
import static org.jooq.impl.DSL.nullif;
import static org.jooq.impl.DSL.one;
import static org.jooq.impl.DSL.partitionBy;
import static org.jooq.impl.DSL.power;
import static org.jooq.impl.DSL.row;
import static org.jooq.impl.DSL.rowNumber;
import static org.jooq.impl.DSL.select;
import static org.jooq.impl.DSL.when;
import static org.jooq.impl.SQLDataType.BOOLEAN;
import static org.jooq.impl.SQLDataType.DECIMAL_INTEGER;
import static org.jooq.impl.SQLDataType.VARCHAR;
import static org.jooq.meta.postgres.information_schema.Tables.ATTRIBUTES;
import static org.jooq.meta.postgres.information_schema.Tables.CHECK_CONSTRAINTS;
import static org.jooq.meta.postgres.information_schema.Tables.COLUMNS;
import static org.jooq.meta.postgres.information_schema.Tables.KEY_COLUMN_USAGE;
import static org.jooq.meta.postgres.information_schema.Tables.PARAMETERS;
import static org.jooq.meta.postgres.information_schema.Tables.ROUTINES;
import static org.jooq.meta.postgres.information_schema.Tables.SEQUENCES;
import static org.jooq.meta.postgres.information_schema.Tables.TABLES;
import static org.jooq.meta.postgres.information_schema.Tables.TABLE_CONSTRAINTS;
import static org.jooq.meta.postgres.information_schema.Tables.VIEWS;
import static org.jooq.meta.postgres.pg_catalog.Tables.PG_CLASS;
import static org.jooq.meta.postgres.pg_catalog.Tables.PG_CONSTRAINT;
import static org.jooq.meta.postgres.pg_catalog.Tables.PG_DESCRIPTION;
import static org.jooq.meta.postgres.pg_catalog.Tables.PG_ENUM;
import static org.jooq.meta.postgres.pg_catalog.Tables.PG_INDEX;
import static org.jooq.meta.postgres.pg_catalog.Tables.PG_INHERITS;
import static org.jooq.meta.postgres.pg_catalog.Tables.PG_NAMESPACE;
import static org.jooq.meta.postgres.pg_catalog.Tables.PG_PROC;
import static org.jooq.meta.postgres.pg_catalog.Tables.PG_SEQUENCE;
import static org.jooq.meta.postgres.pg_catalog.Tables.PG_TYPE;
import static org.jooq.util.postgres.PostgresDSL.array;
import static org.jooq.util.postgres.PostgresDSL.arrayAppend;
import static org.jooq.util.postgres.PostgresDSL.oid;
import java.math.BigInteger;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.jooq.Condition;
import org.jooq.DSLContext;
import org.jooq.Field;
import org.jooq.Name;
// ...
import org.jooq.Record;
import org.jooq.Record2;
import org.jooq.Record4;
import org.jooq.Record5;
import org.jooq.Record6;
import org.jooq.Result;
import org.jooq.SQLDialect;
import org.jooq.Select;
import org.jooq.SortOrder;
import org.jooq.Table;
import org.jooq.TableField;
import org.jooq.TableOptions.TableType;
import org.jooq.exception.DataAccessException;
import org.jooq.impl.DSL;
import org.jooq.impl.SQLDataType;
import org.jooq.meta.AbstractDatabase;
import org.jooq.meta.AbstractIndexDefinition;
import org.jooq.meta.ArrayDefinition;
import org.jooq.meta.CatalogDefinition;
import org.jooq.meta.ColumnDefinition;
import org.jooq.meta.DataTypeDefinition;
import org.jooq.meta.DefaultCheckConstraintDefinition;
import org.jooq.meta.DefaultDataTypeDefinition;
import org.jooq.meta.DefaultDomainDefinition;
import org.jooq.meta.DefaultEnumDefinition;
import org.jooq.meta.DefaultIndexColumnDefinition;
import org.jooq.meta.DefaultRelations;
import org.jooq.meta.DefaultSequenceDefinition;
import org.jooq.meta.DomainDefinition;
import org.jooq.meta.EnumDefinition;
import org.jooq.meta.IndexColumnDefinition;
import org.jooq.meta.IndexDefinition;
import org.jooq.meta.PackageDefinition;
import org.jooq.meta.RoutineDefinition;
import org.jooq.meta.SchemaDefinition;
import org.jooq.meta.SequenceDefinition;
import org.jooq.meta.TableDefinition;
import org.jooq.meta.UDTDefinition;
import org.jooq.meta.hsqldb.HSQLDBDatabase;
import org.jooq.meta.postgres.information_schema.tables.CheckConstraints;
import org.jooq.meta.postgres.information_schema.tables.Routines;
import org.jooq.meta.postgres.information_schema.tables.TableConstraints;
import org.jooq.meta.postgres.pg_catalog.tables.PgClass;
import org.jooq.meta.postgres.pg_catalog.tables.PgConstraint;
import org.jooq.meta.postgres.pg_catalog.tables.PgIndex;
import org.jooq.meta.postgres.pg_catalog.tables.PgInherits;
import org.jooq.meta.postgres.pg_catalog.tables.PgNamespace;
import org.jooq.meta.postgres.pg_catalog.tables.PgType;
import org.jooq.tools.JooqLogger;
/**
* Postgres uses the ANSI default INFORMATION_SCHEMA, but unfortunately ships
* with a non-capitalised version of it: information_schema. Hence
* the {@link HSQLDBDatabase} is not used here.
*
* @author Lukas Eder
*/
public class PostgresDatabase extends AbstractDatabase {
private static final JooqLogger log = JooqLogger.getLogger(PostgresDatabase.class);
private static Boolean is84;
private static Boolean is94;
private static Boolean is10;
private static Boolean is11;
private static Boolean canUseRoutines;
private static Boolean canCastToEnumType;
private static Boolean canCombineArrays;
private static Boolean canUseTupleInPredicates;
@Override
protected List getIndexes0() throws SQLException {
List result = new ArrayList<>();
PgIndex i = PG_INDEX.as("i");
PgClass trel = PG_CLASS.as("trel");
PgClass irel = PG_CLASS.as("irel");
PgNamespace tnsp = PG_NAMESPACE.as("tnsp");
indexLoop:
for (Record6 record : create()
.select(
tnsp.NSPNAME,
trel.RELNAME,
irel.RELNAME,
i.INDISUNIQUE,
array(
select(field("pg_get_indexdef({0}, k + 1, true)", String.class, i.INDEXRELID))
.from("generate_subscripts({0}, 1) as k", i.INDKEY)
.orderBy(field("k"))
).as("columns"),
field("{0}::int[]", Integer[].class, i.INDOPTION).as("asc_or_desc")
)
.from(i)
.join(irel).on(oid(irel).eq(i.INDEXRELID))
.join(trel).on(oid(trel).eq(i.INDRELID))
.join(tnsp).on(oid(tnsp).eq(trel.RELNAMESPACE))
.where(tnsp.NSPNAME.in(getInputSchemata()))
.and(getIncludeSystemIndexes()
? noCondition()
: row(tnsp.NSPNAME, irel.RELNAME).notIn(
select(TABLE_CONSTRAINTS.CONSTRAINT_SCHEMA, TABLE_CONSTRAINTS.CONSTRAINT_NAME)
.from(TABLE_CONSTRAINTS)
))
.orderBy(1, 2, 3)) {
final SchemaDefinition tableSchema = getSchema(record.get(tnsp.NSPNAME));
if (tableSchema == null)
continue indexLoop;
final String indexName = record.get(irel.RELNAME);
final String tableName = record.get(trel.RELNAME);
final String[] columns = record.value5();
final Integer[] options = record.value6();
final TableDefinition table = getTable(tableSchema, tableName);
if (table == null)
continue indexLoop;
final boolean unique = record.get(i.INDISUNIQUE);
// [#6310] [#6620] Function-based indexes are not yet supported
for (String column : columns)
if (table.getColumn(column) == null)
continue indexLoop;
result.add(new AbstractIndexDefinition(tableSchema, indexName, table, unique) {
List indexColumns = new ArrayList<>();
{
for (int ordinal = 0; ordinal < columns.length; ordinal++) {
ColumnDefinition column = table.getColumn(columns[ordinal]);
// [#6307] Some background info on this bitwise operation here:
// https://stackoverflow.com/a/18128104/521799
SortOrder order = (options[ordinal] & 1) == 1 ? SortOrder.DESC : SortOrder.ASC;
indexColumns.add(new DefaultIndexColumnDefinition(
this,
column,
order,
ordinal + 1
));
}
}
@Override
protected List getIndexColumns0() {
return indexColumns;
}
});
}
return result;
}
@Override
protected void loadPrimaryKeys(DefaultRelations relations) throws SQLException {
for (Record record : fetchKeys("PRIMARY KEY")) {
SchemaDefinition schema = getSchema(record.get(KEY_COLUMN_USAGE.TABLE_SCHEMA));
String key = record.get(KEY_COLUMN_USAGE.CONSTRAINT_NAME);
String tableName = record.get(KEY_COLUMN_USAGE.TABLE_NAME);
String columnName = record.get(KEY_COLUMN_USAGE.COLUMN_NAME);
TableDefinition table = getTable(schema, tableName);
if (table != null)
relations.addPrimaryKey(key, table, table.getColumn(columnName));
}
}
@Override
protected void loadUniqueKeys(DefaultRelations relations) throws SQLException {
for (Record record : fetchKeys("UNIQUE")) {
SchemaDefinition schema = getSchema(record.get(KEY_COLUMN_USAGE.TABLE_SCHEMA));
String key = record.get(KEY_COLUMN_USAGE.CONSTRAINT_NAME);
String tableName = record.get(KEY_COLUMN_USAGE.TABLE_NAME);
String columnName = record.get(KEY_COLUMN_USAGE.COLUMN_NAME);
TableDefinition table = getTable(schema, tableName);
if (table != null)
relations.addUniqueKey(key, table, table.getColumn(columnName));
}
}
private Result> fetchKeys(String constraintType) {
return create()
.select(
KEY_COLUMN_USAGE.CONSTRAINT_NAME,
KEY_COLUMN_USAGE.TABLE_SCHEMA,
KEY_COLUMN_USAGE.TABLE_NAME,
KEY_COLUMN_USAGE.COLUMN_NAME)
.from(TABLE_CONSTRAINTS)
.join(KEY_COLUMN_USAGE)
.on(TABLE_CONSTRAINTS.CONSTRAINT_SCHEMA.equal(KEY_COLUMN_USAGE.CONSTRAINT_SCHEMA))
.and(TABLE_CONSTRAINTS.CONSTRAINT_NAME.equal(KEY_COLUMN_USAGE.CONSTRAINT_NAME))
.where(TABLE_CONSTRAINTS.CONSTRAINT_TYPE.equal(constraintType))
.and(TABLE_CONSTRAINTS.TABLE_SCHEMA.in(getInputSchemata()))
.orderBy(
KEY_COLUMN_USAGE.TABLE_SCHEMA.asc(),
KEY_COLUMN_USAGE.TABLE_NAME.asc(),
KEY_COLUMN_USAGE.CONSTRAINT_NAME.asc(),
KEY_COLUMN_USAGE.ORDINAL_POSITION.asc())
.fetch();
}
@Override
protected void loadForeignKeys(DefaultRelations relations) throws SQLException {
// [#3520] PostgreSQL INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS contains incomplete information about foreign keys
// The (CONSTRAINT_CATALOG, CONSTRAINT_SCHEMA, CONSTRAINT_NAME) tuple is non-unique, in case two tables share the
// same CONSTRAINT_NAME.
// The JDBC driver implements this correctly through the pg_catalog, although the sorting and column name casing is wrong, too.
Result result = create()
.fetch(getConnection().getMetaData().getExportedKeys(null, null, null))
.sortAsc("key_seq")
.sortAsc("fk_name")
.sortAsc("fktable_name")
.sortAsc("fktable_schem");
for (Record record : result) {
SchemaDefinition foreignKeySchema = getSchema(record.get("fktable_schem", String.class));
SchemaDefinition uniqueKeySchema = getSchema(record.get("pktable_schem", String.class));
String foreignKey = record.get("fk_name", String.class);
String foreignKeyTableName = record.get("fktable_name", String.class);
String foreignKeyColumn = record.get("fkcolumn_name", String.class);
String uniqueKey = record.get("pk_name", String.class);
String uniqueKeyTableName = record.get("pktable_name", String.class);
TableDefinition foreignKeyTable = getTable(foreignKeySchema, foreignKeyTableName);
TableDefinition uniqueKeyTable = getTable(uniqueKeySchema, uniqueKeyTableName);
if (foreignKeyTable != null && uniqueKeyTable != null)
relations.addForeignKey(
foreignKey,
foreignKeyTable,
foreignKeyTable.getColumn(foreignKeyColumn),
uniqueKey,
uniqueKeyTable
);
}
}
@Override
protected void loadCheckConstraints(DefaultRelations relations) throws SQLException {
TableConstraints tc = TABLE_CONSTRAINTS.as("tc");
CheckConstraints cc = CHECK_CONSTRAINTS.as("cc");
PgNamespace pn = PG_NAMESPACE.as("pn");
PgClass pt = PG_CLASS.as("pt");
PgConstraint pc = PG_CONSTRAINT.as("pc");
for (Record record : create()
.select(
tc.TABLE_SCHEMA,
tc.TABLE_NAME,
cc.CONSTRAINT_NAME,
cc.CHECK_CLAUSE
)
.from(tc)
.join(cc)
.using(tc.CONSTRAINT_CATALOG, tc.CONSTRAINT_SCHEMA, tc.CONSTRAINT_NAME)
.where(tc.TABLE_SCHEMA.in(getInputSchemata()))
.and(getIncludeSystemCheckConstraints()
? noCondition()
: row(tc.TABLE_SCHEMA, tc.TABLE_NAME, cc.CONSTRAINT_NAME).in(
select(pn.NSPNAME, pt.RELNAME, pc.CONNAME)
.from(pc)
.join(pt).on(pc.CONRELID.eq(oid(pt)))
.join(pn).on(pc.CONNAMESPACE.eq(oid(pn)))
.where(pc.CONTYPE.eq(inline("c")))
))
.orderBy(tc.TABLE_SCHEMA, tc.TABLE_NAME, cc.CONSTRAINT_NAME)) {
SchemaDefinition schema = getSchema(record.get(tc.TABLE_SCHEMA));
TableDefinition table = getTable(schema, record.get(tc.TABLE_NAME));
if (table != null) {
relations.addCheckConstraint(table, new DefaultCheckConstraintDefinition(
schema,
table,
record.get(cc.CONSTRAINT_NAME),
record.get(cc.CHECK_CLAUSE)
));
}
}
}
@Override
protected List getTables0() throws SQLException {
List result = new ArrayList<>();
Map map = new HashMap<>();
Select> empty =
select(inline(""), inline(""), inline(""), inline(""), inline(""), inline(""))
.where(falseCondition());
for (Record record : create()
.select()
.from(
select(
TABLES.TABLE_SCHEMA,
TABLES.TABLE_NAME,
TABLES.TABLE_NAME.as("specific_name"),
PG_DESCRIPTION.DESCRIPTION,
when(TABLES.TABLE_TYPE.eq(inline("VIEW")), inline(TableType.VIEW.name()))
.else_(inline(TableType.TABLE.name())).as("table_type"),
VIEWS.VIEW_DEFINITION)
.from(TABLES)
.join(PG_NAMESPACE)
.on(TABLES.TABLE_SCHEMA.eq(PG_NAMESPACE.NSPNAME))
.join(PG_CLASS)
.on(PG_CLASS.RELNAME.eq(TABLES.TABLE_NAME))
.and(PG_CLASS.RELNAMESPACE.eq(oid(PG_NAMESPACE)))
.leftJoin(PG_DESCRIPTION)
.on(PG_DESCRIPTION.OBJOID.eq(oid(PG_CLASS)))
.and(PG_DESCRIPTION.OBJSUBID.eq(0))
.leftJoin(VIEWS)
.on(TABLES.TABLE_SCHEMA.eq(VIEWS.TABLE_SCHEMA))
.and(TABLES.TABLE_NAME.eq(VIEWS.TABLE_NAME))
.where(TABLES.TABLE_SCHEMA.in(getInputSchemata()))
// To stay on the safe side, if the INFORMATION_SCHEMA ever
// includes materialised views, let's exclude them from here
.and(canUseTupleInPredicates()
? row(TABLES.TABLE_SCHEMA, TABLES.TABLE_NAME).notIn(
select(
PG_NAMESPACE.NSPNAME,
PG_CLASS.RELNAME)
.from(PG_CLASS)
.join(PG_NAMESPACE)
.on(PG_CLASS.RELNAMESPACE.eq(oid(PG_NAMESPACE)))
.where(PG_CLASS.RELKIND.eq(inline("m"))))
: noCondition()
)
// [#3254] Materialised views are reported only in PG_CLASS, not
// in INFORMATION_SCHEMA.TABLES
// [#8478] CockroachDB cannot compare "sql_identifier" types (varchar)
// from information_schema with "name" types from pg_catalog
.unionAll(
select(
field("{0}::varchar", PG_NAMESPACE.NSPNAME.getDataType(), PG_NAMESPACE.NSPNAME),
field("{0}::varchar", PG_CLASS.RELNAME.getDataType(), PG_CLASS.RELNAME),
field("{0}::varchar", PG_CLASS.RELNAME.getDataType(), PG_CLASS.RELNAME),
PG_DESCRIPTION.DESCRIPTION,
inline(TableType.MATERIALIZED_VIEW.name()).as("table_type"),
inline(""))
.from(PG_CLASS)
.join(PG_NAMESPACE)
.on(PG_CLASS.RELNAMESPACE.eq(oid(PG_NAMESPACE)))
.leftOuterJoin(PG_DESCRIPTION)
.on(PG_DESCRIPTION.OBJOID.eq(oid(PG_CLASS)))
.and(PG_DESCRIPTION.OBJSUBID.eq(0))
.where(PG_NAMESPACE.NSPNAME.in(getInputSchemata()))
.and(PG_CLASS.RELKIND.eq(inline("m"))))
// [#3375] [#3376] Include table-valued functions in the set of tables
.unionAll(
tableValuedFunctions()
? select(
ROUTINES.ROUTINE_SCHEMA,
ROUTINES.ROUTINE_NAME,
ROUTINES.SPECIFIC_NAME,
inline(""),
inline(TableType.FUNCTION.name()).as("table_type"),
inline(""))
.from(ROUTINES)
.join(PG_NAMESPACE).on(ROUTINES.SPECIFIC_SCHEMA.eq(PG_NAMESPACE.NSPNAME))
.join(PG_PROC).on(PG_PROC.PRONAMESPACE.eq(oid(PG_NAMESPACE)))
.and(PG_PROC.PRONAME.concat("_").concat(oid(PG_PROC)).eq(ROUTINES.SPECIFIC_NAME))
.where(ROUTINES.ROUTINE_SCHEMA.in(getInputSchemata()))
.and(PG_PROC.PRORETSET)
: empty)
.asTable("tables"))
.orderBy(1, 2)
.fetch()) {
SchemaDefinition schema = getSchema(record.get(TABLES.TABLE_SCHEMA));
String name = record.get(TABLES.TABLE_NAME);
String comment = record.get(PG_DESCRIPTION.DESCRIPTION, String.class);
TableType tableType = record.get("table_type", TableType.class);
String source = record.get(VIEWS.VIEW_DEFINITION);
if (source != null && !source.toLowerCase().startsWith("create"))
source = "create view \"" + name + "\" as " + source;
switch (tableType) {
case FUNCTION:
result.add(new PostgresTableValuedFunction(schema, name, record.get(ROUTINES.SPECIFIC_NAME), comment));
break;
case MATERIALIZED_VIEW:
result.add(new PostgresMaterializedViewDefinition(schema, name, comment));
break;
default:
PostgresTableDefinition t = new PostgresTableDefinition(schema, name, comment, tableType, source);
result.add(t);
map.put(name(schema.getName(), name), t);
break;
}
}
PgClass ct = PG_CLASS.as("ct");
PgNamespace cn = PG_NAMESPACE.as("cn");
PgInherits i = PG_INHERITS.as("i");
PgClass pt = PG_CLASS.as("pt");
PgNamespace pn = PG_NAMESPACE.as("pn");
// [#2916] If window functions are not supported (prior to PostgreSQL 8.4), then
// don't execute the following query:
if (is84()) {
for (Record5 inheritance : create()
.select(
cn.NSPNAME,
ct.RELNAME,
pn.NSPNAME,
pt.RELNAME,
max(i.INHSEQNO).over().partitionBy(i.INHRELID).as("m")
)
.from(ct)
.join(cn).on(ct.RELNAMESPACE.eq(oid(cn)))
.join(i).on(i.INHRELID.eq(oid(ct)))
.join(pt).on(i.INHPARENT.eq(oid(pt)))
.join(pn).on(pt.RELNAMESPACE.eq(oid(pn)))
.where(cn.NSPNAME.in(getInputSchemata()))
.and(pn.NSPNAME.in(getInputSchemata()))
.fetch()) {
Name child = name(inheritance.value1(), inheritance.value2());
Name parent = name(inheritance.value3(), inheritance.value4());
if (inheritance.value5() > 1) {
log.info("Multiple inheritance",
"Multiple inheritance is not supported by jOOQ: " +
child +
" inherits from " +
parent);
}
else {
PostgresTableDefinition childTable = map.get(child);
PostgresTableDefinition parentTable = map.get(parent);
if (childTable != null && parentTable != null) {
childTable.setParentTable(parentTable);
parentTable.getChildTables().add(childTable);
}
}
}
}
return result;
}
@Override
protected List getCatalogs0() throws SQLException {
List result = new ArrayList<>();
result.add(new CatalogDefinition(this, "", ""));
return result;
}
@Override
protected List getSchemata0() throws SQLException {
List result = new ArrayList<>();
// [#1409] Shouldn't select from INFORMATION_SCHEMA.SCHEMATA, as that
// would only return schemata of which CURRENT_USER is the owner
for (String name : create()
.select(PG_NAMESPACE.NSPNAME)
.from(PG_NAMESPACE)
.orderBy(PG_NAMESPACE.NSPNAME)
.fetch(PG_NAMESPACE.NSPNAME)) {
result.add(new SchemaDefinition(this, name, ""));
}
return result;
}
@Override
protected List getSequences0() throws SQLException {
List result = new ArrayList<>();
for (Record record : create()
.select(
SEQUENCES.SEQUENCE_SCHEMA,
SEQUENCES.SEQUENCE_NAME,
SEQUENCES.DATA_TYPE,
SEQUENCES.NUMERIC_PRECISION,
SEQUENCES.NUMERIC_SCALE,
nullif(SEQUENCES.START_VALUE.cast(DECIMAL_INTEGER), one()).as(SEQUENCES.START_VALUE),
nullif(SEQUENCES.INCREMENT.cast(DECIMAL_INTEGER), one()).as(SEQUENCES.INCREMENT),
nullif(SEQUENCES.MINIMUM_VALUE.cast(DECIMAL_INTEGER), one()).as(SEQUENCES.MINIMUM_VALUE),
nullif(SEQUENCES.MAXIMUM_VALUE.cast(DECIMAL_INTEGER),
power(cast(inline(2), DECIMAL_INTEGER), cast(SEQUENCES.NUMERIC_PRECISION.minus(1), DECIMAL_INTEGER)).minus(1)).as(SEQUENCES.MAXIMUM_VALUE),
SEQUENCES.CYCLE_OPTION.cast(BOOLEAN).as(SEQUENCES.CYCLE_OPTION))
.from(SEQUENCES)
.where(SEQUENCES.SEQUENCE_SCHEMA.in(getInputSchemata()))
.orderBy(
SEQUENCES.SEQUENCE_SCHEMA,
SEQUENCES.SEQUENCE_NAME)
.fetch()) {
SchemaDefinition schema = getSchema(record.get(SEQUENCES.SEQUENCE_SCHEMA));
DataTypeDefinition type = new DefaultDataTypeDefinition(
this, schema,
record.get(SEQUENCES.DATA_TYPE),
0,
record.get(SEQUENCES.NUMERIC_PRECISION),
record.get(SEQUENCES.NUMERIC_SCALE),
false,
(String) null
);
result.add(new DefaultSequenceDefinition(
schema,
record.get(SEQUENCES.SEQUENCE_NAME),
type,
null,
record.get(SEQUENCES.START_VALUE, BigInteger.class),
record.get(SEQUENCES.INCREMENT, BigInteger.class),
record.get(SEQUENCES.MINIMUM_VALUE, BigInteger.class),
record.get(SEQUENCES.MAXIMUM_VALUE, BigInteger.class),
record.get(SEQUENCES.CYCLE_OPTION, Boolean.class),
null // [#9442] The CACHE flag is not available from SEQUENCES
));
}
return result;
}
@Override
protected List getEnums0() throws SQLException {
List result = new ArrayList<>();
// [#2736] This table is unavailable in Amazon Redshift
if (exists(PG_ENUM)) {
// [#2707] Fetch all enum type names first, in order to be able to
// perform enumlabel::[typname] casts in the subsequent query for
// cross-version compatible enum literal ordering
Result> types = create()
.select(
PG_NAMESPACE.NSPNAME,
PG_TYPE.TYPNAME)
.from(PG_TYPE)
.join(PG_NAMESPACE).on(PG_TYPE.TYPNAMESPACE.eq(oid(PG_NAMESPACE)))
.where(PG_NAMESPACE.NSPNAME.in(getInputSchemata()))
.and(oid(PG_TYPE).in(select(PG_ENUM.ENUMTYPID).from(PG_ENUM)))
.orderBy(
PG_NAMESPACE.NSPNAME,
PG_TYPE.TYPNAME)
.fetch();
for (Record2 type : types) {
String nspname = type.get(PG_NAMESPACE.NSPNAME);
String typname = type.get(PG_TYPE.TYPNAME);
DefaultEnumDefinition definition = null;
for (String label : enumLabels(nspname, typname)) {
SchemaDefinition schema = getSchema(nspname);
String typeName = String.valueOf(typname);
if (definition == null || !definition.getName().equals(typeName)) {
definition = new DefaultEnumDefinition(schema, typeName, null);
result.add(definition);
}
definition.addLiteral(label);
}
}
}
return result;
}
@Override
protected List getDomains0() throws SQLException {
List result = new ArrayList<>();
if (existAll(PG_CONSTRAINT, PG_TYPE)) {
PgNamespace n = PG_NAMESPACE.as("n");
PgConstraint c = PG_CONSTRAINT.as("c");
PgType d = PG_TYPE.as("d");
PgType b = PG_TYPE.as("b");
Field src = field(name("domains", "src"), String[].class);
Field constraintDef = field("pg_get_constraintdef({0})", VARCHAR, oid(c));
for (Record record : create()
.withRecursive("domains",
"domain_id",
"base_id",
"typbasetype",
"src"
)
.as(
select(
oid(d),
oid(d),
d.TYPBASETYPE,
array(constraintDef)
)
.from(d)
.join(n)
.on(oid(n).eq(d.TYPNAMESPACE))
.leftJoin(c)
.on(oid(d).eq(c.CONTYPID))
.where(d.TYPTYPE.eq("d"))
.and(n.NSPNAME.in(getInputSchemata()))
.unionAll(
select(
field(name("domains", "domain_id"), Long.class),
oid(d),
d.TYPBASETYPE,
decode()
.when(c.CONBIN.isNull(), src)
.otherwise(arrayAppend(src, constraintDef))
)
.from(name("domains"))
.join(d)
.on(field(name("domains", d.TYPBASETYPE.getName())).eq(oid(d)))
.leftJoin(c)
.on(oid(d).eq(c.CONTYPID))
))
.select(
n.NSPNAME,
d.TYPNAME,
d.TYPNOTNULL,
d.TYPDEFAULT,
b.TYPNAME,
b.TYPLEN,
src)
.from(d)
.join(name("domains"))
.on(field(name("domains", "typbasetype")).eq(0))
.and(field(name("domains", "domain_id")).eq(oid(d)))
.join(b)
.on(field(name("domains", "base_id")).eq(oid(b)))
.join(n)
.on(oid(n).eq(d.TYPNAMESPACE))
.where(d.TYPTYPE.eq("d"))
.and(n.NSPNAME.in(getInputSchemata()))
.orderBy(n.NSPNAME, d.TYPNAME)) {
SchemaDefinition schema = getSchema(record.get(n.NSPNAME));
DataTypeDefinition baseType = new DefaultDataTypeDefinition(
this,
schema,
record.get(b.TYPNAME),
record.get(b.TYPLEN),
record.get(b.TYPLEN),
0, // ?
!record.get(d.TYPNOTNULL, boolean.class),
record.get(d.TYPDEFAULT),
name(
record.get(n.NSPNAME),
record.get(b.TYPNAME)
)
);
DefaultDomainDefinition domain = new DefaultDomainDefinition(
schema,
record.get(d.TYPNAME),
baseType
);
domain.addCheckClause(record.get(src));
result.add(domain);
}
}
return result;
}
@Override
protected List getUDTs0() throws SQLException {
List result = new ArrayList<>();
// [#2736] This table is unavailable in Amazon Redshift
if (exists(ATTRIBUTES)) {
for (Record record : create()
.selectDistinct(
ATTRIBUTES.UDT_SCHEMA,
ATTRIBUTES.UDT_NAME)
.from(ATTRIBUTES)
.where(ATTRIBUTES.UDT_SCHEMA.in(getInputSchemata()))
.orderBy(
ATTRIBUTES.UDT_SCHEMA,
ATTRIBUTES.UDT_NAME)
.fetch()) {
SchemaDefinition schema = getSchema(record.get(ATTRIBUTES.UDT_SCHEMA));
String name = record.get(ATTRIBUTES.UDT_NAME);
result.add(new PostgresUDTDefinition(schema, name, null));
}
}
return result;
}
@Override
protected List getArrays0() throws SQLException {
List result = new ArrayList<>();
return result;
}
@Override
protected List getRoutines0() throws SQLException {
List result = new ArrayList<>();
if (!canUseRoutines())
return result;
Routines r1 = ROUTINES.as("r1");
// [#7785] The pg_proc.proisagg column has been replaced incompatibly in PostgreSQL 11
Field isAgg = (is11()
? field(PG_PROC.PROKIND.eq(inline("a")))
: field("{0}.proisagg", SQLDataType.BOOLEAN, PG_PROC)
).as("is_agg");
for (Record record : create().select(
r1.ROUTINE_SCHEMA,
r1.ROUTINE_NAME,
r1.SPECIFIC_NAME,
// Ignore the data type when there is at least one out parameter
canCombineArrays()
? when(condition("{0} && ARRAY['o','b']::\"char\"[]", PG_PROC.PROARGMODES), inline("void"))
.otherwise(r1.DATA_TYPE).as("data_type")
: r1.DATA_TYPE.as("data_type"),
r1.CHARACTER_MAXIMUM_LENGTH,
r1.NUMERIC_PRECISION,
r1.NUMERIC_SCALE,
r1.TYPE_UDT_SCHEMA,
r1.TYPE_UDT_NAME,
// Calculate overload index if applicable
when(
count().over(partitionBy(r1.ROUTINE_SCHEMA, r1.ROUTINE_NAME)).gt(one()),
rowNumber().over(partitionBy(r1.ROUTINE_SCHEMA, r1.ROUTINE_NAME).orderBy(
// [#9754] To stabilise overload calculation, we use the type signature
// replace(field("pg_get_function_arguments({0})", VARCHAR, oid(PG_PROC)), inline('"'), inline("")),
r1.SPECIFIC_NAME
))
).as("overload"),
isAgg)
.from(r1)
// [#3375] Exclude table-valued functions as they're already generated as tables
.join(PG_NAMESPACE).on(PG_NAMESPACE.NSPNAME.eq(r1.SPECIFIC_SCHEMA))
.join(PG_PROC).on(PG_PROC.PRONAMESPACE.eq(oid(PG_NAMESPACE)))
.and(PG_PROC.PRONAME.concat("_").concat(oid(PG_PROC)).eq(r1.SPECIFIC_NAME))
.where(r1.ROUTINE_SCHEMA.in(getInputSchemata()))
.and(tableValuedFunctions()
? condition(not(PG_PROC.PRORETSET))
: noCondition())
.and(!getIncludeTriggerRoutines()
? r1.DATA_TYPE.ne(inline("trigger"))
: noCondition())
.orderBy(
r1.ROUTINE_SCHEMA.asc(),
r1.ROUTINE_NAME.asc(),
field(name("overload")).asc())
.fetch()) {
result.add(new PostgresRoutineDefinition(this, record));
}
return result;
}
@Override
protected List getPackages0() throws SQLException {
List result = new ArrayList<>();
return result;
}
@Override
protected DSLContext create0() {
return DSL.using(getConnection(), SQLDialect.POSTGRES);
}
boolean is84() {
if (is84 == null) {
// [#2916] Window functions were introduced with PostgreSQL 9.0
try {
create(true)
.select(count().over())
.fetch();
is84 = true;
}
catch (DataAccessException e) {
is84 = false;
}
}
return is84;
}
boolean is94() {
// [#4254] INFORMATION_SCHEMA.PARAMETERS.PARAMETER_DEFAULT was added
// in PostgreSQL 9.4 only
if (is94 == null)
is94 = exists(PARAMETERS.PARAMETER_DEFAULT);
return is94;
}
boolean is10() {
// [#7785] pg_sequence was added in PostgreSQL 10 only
if (is10 == null)
is10 = exists(PG_SEQUENCE.SEQRELID);
return is10;
}
boolean is11() {
// [#7785] pg_proc.prokind was added in PostgreSQL 11 only, and
// pg_proc.proisagg was removed, incompatibly
if (is11 == null)
is11 = exists(PG_PROC.PROKIND);
return is11;
}
@Override
protected boolean exists0(TableField field) {
return exists1(field, COLUMNS, COLUMNS.TABLE_SCHEMA, COLUMNS.TABLE_NAME, COLUMNS.COLUMN_NAME);
}
@Override
protected boolean exists0(Table table) {
return exists1(table, TABLES, TABLES.TABLE_SCHEMA, TABLES.TABLE_NAME);
}
boolean canCombineArrays() {
if (canCombineArrays == null) {
// [#7270] The ARRAY && ARRAY operator is not implemented in all PostgreSQL
// style databases, e.g. CockroachDB
try {
create(true).select(field("array[1, 2] && array[2, 3]")).fetch();
canCombineArrays = true;
}
catch (DataAccessException e) {
canCombineArrays = false;
}
}
return canCombineArrays;
}
boolean canUseTupleInPredicates() {
if (canUseTupleInPredicates == null) {
// [#7270] The tuple in predicate is not implemented in all PostgreSQL
// style databases, e.g. CockroachDB
// [#8072] Some database versions might support in, but not not in
try {
create(true).select(field("(1, 2) in (select 1, 2)")).fetch();
create(true).select(field("(1, 2) not in (select 1, 2)")).fetch();
canUseTupleInPredicates = true;
}
catch (DataAccessException e) {
canUseTupleInPredicates = false;
}
}
return canUseTupleInPredicates;
}
boolean canUseRoutines() {
// [#7892] The information_schema.routines table is not available in all PostgreSQL
// style databases, e.g. CockroachDB
if (canUseRoutines == null)
canUseRoutines = exists(ROUTINES);
return canUseRoutines;
}
private List enumLabels(String nspname, String typname) {
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