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TestPostgreSqlTypeMapping.java
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TestPostgreSqlTypeMapping.java
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/*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.trino.plugin.postgresql;
import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import io.airlift.json.JsonCodec;
import io.trino.Session;
import io.trino.plugin.jdbc.UnsupportedTypeHandling;
import io.trino.spi.type.ArrayType;
import io.trino.spi.type.CharType;
import io.trino.spi.type.TimeZoneKey;
import io.trino.spi.type.Type;
import io.trino.sql.planner.plan.FilterNode;
import io.trino.testing.AbstractTestQueryFramework;
import io.trino.testing.DataProviders;
import io.trino.testing.QueryRunner;
import io.trino.testing.TestingSession;
import io.trino.testing.datatype.CreateAndInsertDataSetup;
import io.trino.testing.datatype.CreateAndTrinoInsertDataSetup;
import io.trino.testing.datatype.CreateAsSelectDataSetup;
import io.trino.testing.datatype.DataSetup;
import io.trino.testing.datatype.DataType;
import io.trino.testing.datatype.DataTypeTest;
import io.trino.testing.datatype.SqlDataTypeTest;
import io.trino.testing.sql.JdbcSqlExecutor;
import io.trino.testing.sql.TestTable;
import io.trino.testing.sql.TrinoSqlExecutor;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.text.NumberFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Stream;
import static com.google.common.base.Preconditions.checkState;
import static com.google.common.base.Verify.verify;
import static com.google.common.collect.ImmutableList.toImmutableList;
import static com.google.common.io.BaseEncoding.base16;
import static io.airlift.json.JsonCodec.listJsonCodec;
import static io.airlift.json.JsonCodec.mapJsonCodec;
import static io.trino.plugin.jdbc.DecimalConfig.DecimalMapping.ALLOW_OVERFLOW;
import static io.trino.plugin.jdbc.DecimalConfig.DecimalMapping.STRICT;
import static io.trino.plugin.jdbc.DecimalSessionSessionProperties.DECIMAL_DEFAULT_SCALE;
import static io.trino.plugin.jdbc.DecimalSessionSessionProperties.DECIMAL_MAPPING;
import static io.trino.plugin.jdbc.DecimalSessionSessionProperties.DECIMAL_ROUNDING_MODE;
import static io.trino.plugin.jdbc.TypeHandlingJdbcSessionProperties.UNSUPPORTED_TYPE_HANDLING;
import static io.trino.plugin.jdbc.UnsupportedTypeHandling.CONVERT_TO_VARCHAR;
import static io.trino.plugin.jdbc.UnsupportedTypeHandling.IGNORE;
import static io.trino.plugin.postgresql.PostgreSqlConfig.ArrayMapping.AS_ARRAY;
import static io.trino.plugin.postgresql.PostgreSqlConfig.ArrayMapping.AS_JSON;
import static io.trino.plugin.postgresql.PostgreSqlConfig.ArrayMapping.DISABLED;
import static io.trino.plugin.postgresql.PostgreSqlQueryRunner.createPostgreSqlQueryRunner;
import static io.trino.spi.type.BigintType.BIGINT;
import static io.trino.spi.type.BooleanType.BOOLEAN;
import static io.trino.spi.type.CharType.createCharType;
import static io.trino.spi.type.DecimalType.createDecimalType;
import static io.trino.spi.type.DoubleType.DOUBLE;
import static io.trino.spi.type.IntegerType.INTEGER;
import static io.trino.spi.type.RealType.REAL;
import static io.trino.spi.type.SmallintType.SMALLINT;
import static io.trino.spi.type.TimeZoneKey.UTC_KEY;
import static io.trino.spi.type.TimestampWithTimeZoneType.createTimestampWithTimeZoneType;
import static io.trino.spi.type.TypeSignature.mapType;
import static io.trino.spi.type.VarbinaryType.VARBINARY;
import static io.trino.spi.type.VarcharType.VARCHAR;
import static io.trino.spi.type.VarcharType.createVarcharType;
import static io.trino.testing.datatype.DataType.bigintDataType;
import static io.trino.testing.datatype.DataType.booleanDataType;
import static io.trino.testing.datatype.DataType.dataType;
import static io.trino.testing.datatype.DataType.dateDataType;
import static io.trino.testing.datatype.DataType.decimalDataType;
import static io.trino.testing.datatype.DataType.doubleDataType;
import static io.trino.testing.datatype.DataType.formatStringLiteral;
import static io.trino.testing.datatype.DataType.integerDataType;
import static io.trino.testing.datatype.DataType.jsonDataType;
import static io.trino.testing.datatype.DataType.realDataType;
import static io.trino.testing.datatype.DataType.smallintDataType;
import static io.trino.testing.datatype.DataType.timeDataType;
import static io.trino.testing.datatype.DataType.timestampDataType;
import static io.trino.testing.datatype.DataType.varcharDataType;
import static io.trino.type.JsonType.JSON;
import static io.trino.type.UuidType.UUID;
import static java.lang.String.format;
import static java.math.RoundingMode.HALF_UP;
import static java.math.RoundingMode.UNNECESSARY;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.time.ZoneOffset.UTC;
import static java.util.Arrays.asList;
import static java.util.Collections.singletonList;
import static java.util.stream.Collectors.joining;
import static java.util.stream.Collectors.toList;
import static org.assertj.core.api.Assertions.assertThat;
public class TestPostgreSqlTypeMapping
extends AbstractTestQueryFramework
{
private static final LocalDate EPOCH_DAY = LocalDate.ofEpochDay(0);
private static final JsonCodec<List<Map<String, String>>> HSTORE_CODEC = listJsonCodec(mapJsonCodec(String.class, String.class));
private TestingPostgreSqlServer postgreSqlServer;
private final LocalDateTime beforeEpoch = LocalDateTime.of(1958, 1, 1, 13, 18, 3, 123_000_000);
private final LocalDateTime epoch = LocalDateTime.of(1970, 1, 1, 0, 0, 0);
private final LocalDateTime afterEpoch = LocalDateTime.of(2019, 3, 18, 10, 1, 17, 987_000_000);
private final ZoneId jvmZone = ZoneId.systemDefault();
private final LocalDateTime timeGapInJvmZone1 = LocalDateTime.of(1970, 1, 1, 0, 13, 42);
private final LocalDateTime timeGapInJvmZone2 = LocalDateTime.of(2018, 4, 1, 2, 13, 55, 123_000_000);
private final LocalDateTime timeDoubledInJvmZone = LocalDateTime.of(2018, 10, 28, 1, 33, 17, 456_000_000);
// no DST in 1970, but has DST in later years (e.g. 2018)
private final ZoneId vilnius = ZoneId.of("Europe/Vilnius");
private final LocalDateTime timeGapInVilnius = LocalDateTime.of(2018, 3, 25, 3, 17, 17);
private final LocalDateTime timeDoubledInVilnius = LocalDateTime.of(2018, 10, 28, 3, 33, 33, 333_000_000);
// minutes offset change since 1970-01-01, no DST
private final ZoneId kathmandu = ZoneId.of("Asia/Kathmandu");
private final LocalDateTime timeGapInKathmandu = LocalDateTime.of(1986, 1, 1, 0, 13, 7);
private final ZoneOffset fixedOffsetEast = ZoneOffset.ofHoursMinutes(2, 17);
private final ZoneOffset fixedOffsetWest = ZoneOffset.ofHoursMinutes(-7, -31);
@Override
protected QueryRunner createQueryRunner()
throws Exception
{
postgreSqlServer = closeAfterClass(new TestingPostgreSqlServer());
return createPostgreSqlQueryRunner(
postgreSqlServer,
ImmutableMap.of(),
ImmutableMap.of("jdbc-types-mapped-to-varchar", "Tsrange, Inet" /* make sure that types are compared case insensitively */),
ImmutableList.of());
}
@BeforeClass
public void setUp()
{
checkIsGap(jvmZone, timeGapInJvmZone1);
checkIsGap(jvmZone, timeGapInJvmZone2);
checkIsDoubled(jvmZone, timeDoubledInJvmZone);
checkIsGap(vilnius, timeGapInVilnius);
checkIsDoubled(vilnius, timeDoubledInVilnius);
checkIsGap(kathmandu, timeGapInKathmandu);
JdbcSqlExecutor executor = new JdbcSqlExecutor(postgreSqlServer.getJdbcUrl(), postgreSqlServer.getProperties());
executor.execute("CREATE EXTENSION hstore");
}
@Test
public void testBasicTypes()
{
SqlDataTypeTest.create()
.addRoundTrip("boolean", "true", BOOLEAN)
.addRoundTrip("boolean", "false", BOOLEAN)
.addRoundTrip("bigint", "123456789012", BIGINT)
.addRoundTrip("integer", "123456789", INTEGER)
.addRoundTrip("smallint", "32456", SMALLINT, "SMALLINT '32456'")
.addRoundTrip("tinyint", "5", SMALLINT, "SMALLINT '5'")
.execute(getQueryRunner(), trinoCreateAsSelect("test_basic_types"));
}
@Test
public void testReal()
{
SqlDataTypeTest.create()
.addRoundTrip("real", "NULL", REAL, "CAST(NULL AS real)")
.addRoundTrip("real", "3.14", REAL, "REAL '3.14'")
.addRoundTrip("real", "3.1415927", REAL, "REAL '3.1415927'")
.addRoundTrip("real", "'NaN'::real", REAL, "CAST(nan() AS real)")
.addRoundTrip("real", "'-Infinity'::real", REAL, "CAST(-infinity() AS real)")
.addRoundTrip("real", "'+Infinity'::real", REAL, "CAST(+infinity() AS real)")
.execute(getQueryRunner(), postgresCreateAndInsert("tpch.postgresql_test_real"));
SqlDataTypeTest.create()
.addRoundTrip("real", "NULL", REAL, "CAST(NULL AS real)")
.addRoundTrip("real", "3.14", REAL, "REAL '3.14'")
.addRoundTrip("real", "3.1415927", REAL, "REAL '3.1415927'")
.addRoundTrip("real", "nan()", REAL, "CAST(nan() AS real)")
.addRoundTrip("real", "-infinity()", REAL, "CAST(-infinity() AS real)")
.addRoundTrip("real", "+infinity()", REAL, "CAST(+infinity() AS real)")
.execute(getQueryRunner(), trinoCreateAsSelect("trino__test_real"));
}
@Test
public void testDouble()
{
SqlDataTypeTest.create()
.addRoundTrip("double precision", "NULL", DOUBLE, "CAST(NULL AS double)")
.addRoundTrip("double precision", "1.0E100", DOUBLE, "1.0E100")
.addRoundTrip("double precision", "'NaN'::double precision", DOUBLE, "nan()")
.addRoundTrip("double precision", "'+Infinity'::double precision", DOUBLE, "+infinity()")
.addRoundTrip("double precision", "'-Infinity'::double precision", DOUBLE, "-infinity()")
.execute(getQueryRunner(), postgresCreateAndInsert("tpch.postgresql_test_double"));
SqlDataTypeTest.create()
.addRoundTrip("double", "NULL", DOUBLE, "CAST(NULL AS double)")
.addRoundTrip("double", "1.0E100", DOUBLE, "1.0E100")
.addRoundTrip("double", "nan()", DOUBLE, "nan()")
.addRoundTrip("double", "+infinity()", DOUBLE, "+infinity()")
.addRoundTrip("double", "-infinity()", DOUBLE, "-infinity()")
.execute(getQueryRunner(), trinoCreateAsSelect("trino__test_double"));
}
@Test
public void testDecimal()
{
SqlDataTypeTest.create()
.addRoundTrip("decimal(3, 0)", "CAST('193' AS decimal(3, 0))", createDecimalType(3, 0), "CAST('193' AS decimal(3, 0))")
.addRoundTrip("decimal(3, 0)", "CAST('19' AS decimal(3, 0))", createDecimalType(3, 0), "CAST('19' AS decimal(3, 0))")
.addRoundTrip("decimal(3, 0)", "CAST('-193' AS decimal(3, 0))", createDecimalType(3, 0), "CAST('-193' AS decimal(3, 0))")
.addRoundTrip("decimal(3, 1)", "CAST('10.0' AS decimal(3, 1))", createDecimalType(3, 1), "CAST('10.0' AS decimal(3, 1))")
.addRoundTrip("decimal(3, 1)", "CAST('10.1' AS decimal(3, 1))", createDecimalType(3, 1), "CAST('10.1' AS decimal(3, 1))")
.addRoundTrip("decimal(3, 1)", "CAST('-10.1' AS decimal(3, 1))", createDecimalType(3, 1), "CAST('-10.1' AS decimal(3, 1))")
.addRoundTrip("decimal(4, 2)", "CAST('2' AS decimal(4, 2))", createDecimalType(4, 2), "CAST('2' AS decimal(4, 2))")
.addRoundTrip("decimal(4, 2)", "CAST('2.3' AS decimal(4, 2))", createDecimalType(4, 2), "CAST('2.3' AS decimal(4, 2))")
.addRoundTrip("decimal(24, 2)", "CAST('2' AS decimal(24, 2))", createDecimalType(24, 2), "CAST('2' AS decimal(24, 2))")
.addRoundTrip("decimal(24, 2)", "CAST('2.3' AS decimal(24, 2))", createDecimalType(24, 2), "CAST('2.3' AS decimal(24, 2))")
.addRoundTrip("decimal(24, 2)", "CAST('123456789.3' AS decimal(24, 2))", createDecimalType(24, 2), "CAST('123456789.3' AS decimal(24, 2))")
.addRoundTrip("decimal(24, 4)", "CAST('12345678901234567890.31' AS decimal(24, 4))", createDecimalType(24, 4), "CAST('12345678901234567890.31' AS decimal(24, 4))")
.addRoundTrip("decimal(30, 5)", "CAST('3141592653589793238462643.38327' AS decimal(30, 5))", createDecimalType(30, 5), "CAST('3141592653589793238462643.38327' AS decimal(30, 5))")
.addRoundTrip("decimal(30, 5)", "CAST('-3141592653589793238462643.38327' AS decimal(30, 5))", createDecimalType(30, 5), "CAST('-3141592653589793238462643.38327' AS decimal(30, 5))")
.addRoundTrip("decimal(38, 0)", "CAST('27182818284590452353602874713526624977' AS decimal(38, 0))", createDecimalType(38, 0), "CAST('27182818284590452353602874713526624977' AS decimal(38, 0))")
.addRoundTrip("decimal(38, 0)", "CAST('-27182818284590452353602874713526624977' AS decimal(38, 0))", createDecimalType(38, 0), "CAST('-27182818284590452353602874713526624977' AS decimal(38, 0))")
.execute(getQueryRunner(), postgresCreateAndInsert("tpch.test_decimal"))
.execute(getQueryRunner(), trinoCreateAsSelect("test_decimal"));
}
@Test
public void testChar()
{
SqlDataTypeTest.create()
.addRoundTrip("char(10)", "'text_a'", createCharType(10), "CAST('text_a' AS char(10))")
.addRoundTrip("char(255)", "'text_b'", createCharType(255), "CAST('text_b' AS char(255))")
.addRoundTrip("char(5)", "'攻殻機動隊'", createCharType(5), "CAST('攻殻機動隊' AS char(5))")
.addRoundTrip("char(32)", "'攻殻機動隊'", createCharType(32), "CAST('攻殻機動隊' AS char(32))")
.addRoundTrip("char(1)", "'😂'", createCharType(1), "CAST('😂' AS char(1))")
.addRoundTrip("char(77)", "'Ну, погоди!'", createCharType(77), "CAST('Ну, погоди!' AS char(77))")
.execute(getQueryRunner(), postgresCreateAndInsert("tpch.test_char"))
.execute(getQueryRunner(), trinoCreateAsSelect("test_char"));
// too long for a char in Trino
int length = CharType.MAX_LENGTH + 1;
String postgresqlType = format("char(%s)", length);
Type trinoType = createVarcharType(length);
SqlDataTypeTest.create()
.addRoundTrip(postgresqlType, "'test_f'", trinoType, format("'test_f%s'", " ".repeat(length - 6)))
.addRoundTrip(postgresqlType, format("'%s'", "a".repeat(length)), trinoType, format("'%s'", "a".repeat(length)))
.addRoundTrip(postgresqlType, "'\uD83D\uDE02'", trinoType, format("'\uD83D\uDE02%s'", " ".repeat(length - 1)))
.execute(getQueryRunner(), postgresCreateAndInsert("tpch.test_char"));
}
@Test
public void testPostgreSqlCreatedVarchar()
{
varcharDataTypeTest(DataType::varcharDataType)
.execute(getQueryRunner(), postgresCreateAndInsert("tpch.test_varchar"));
varcharDataTypeTest(length -> varcharDataType())
.execute(getQueryRunner(), postgresCreateAndInsert("tpch.test_varchar"));
}
@Test
public void testTrinoCreatedVarchar()
{
varcharDataTypeTest(DataType::varcharDataType)
.execute(getQueryRunner(), trinoCreateAsSelect("test_varchar"));
varcharDataTypeTest(length -> varcharDataType())
.execute(getQueryRunner(), trinoCreateAsSelect("test_varchar"));
}
private DataTypeTest varcharDataTypeTest(Function<Integer, DataType<String>> dataTypeFactory)
{
return characterDataTypeTest(dataTypeFactory)
.addRoundTrip(dataTypeFactory.apply(10485760), "text_f"); // too long for a char in Trino
}
private DataTypeTest characterDataTypeTest(Function<Integer, DataType<String>> dataTypeFactory)
{
String sampleUnicodeText = "\u653b\u6bbb\u6a5f\u52d5\u968a";
String sampleFourByteUnicodeCharacter = "\uD83D\uDE02";
return DataTypeTest.create()
.addRoundTrip(dataTypeFactory.apply(10), "text_a")
.addRoundTrip(dataTypeFactory.apply(255), "text_b")
.addRoundTrip(dataTypeFactory.apply(65535), "text_d")
.addRoundTrip(dataTypeFactory.apply(sampleUnicodeText.length()), sampleUnicodeText)
.addRoundTrip(dataTypeFactory.apply(32), sampleUnicodeText)
.addRoundTrip(dataTypeFactory.apply(20000), sampleUnicodeText)
.addRoundTrip(dataTypeFactory.apply(1), sampleFourByteUnicodeCharacter)
.addRoundTrip(dataTypeFactory.apply(77), "\u041d\u0443, \u043f\u043e\u0433\u043e\u0434\u0438!");
}
@Test
public void testVarbinary()
{
// PostgreSQL's BYTEA is mapped to Trino VARBINARY. PostgreSQL does not have VARBINARY type.
SqlDataTypeTest.create()
.addRoundTrip("bytea", "NULL", VARBINARY, "CAST(NULL AS varbinary)")
.addRoundTrip("bytea", "bytea E'\\\\x'", VARBINARY, "X''")
.addRoundTrip("bytea", utf8ByteaLiteral("hello"), VARBINARY, "to_utf8('hello')")
.addRoundTrip("bytea", utf8ByteaLiteral("Piękna łąka w 東京都"), VARBINARY, "to_utf8('Piękna łąka w 東京都')")
.addRoundTrip("bytea", utf8ByteaLiteral("Bag full of 💰"), VARBINARY, "to_utf8('Bag full of 💰')")
.addRoundTrip("bytea", "bytea E'\\\\x0001020304050607080DF9367AA7000000'", VARBINARY, "X'0001020304050607080DF9367AA7000000'") // non-text
.addRoundTrip("bytea", "bytea E'\\\\x000000000000'", VARBINARY, "X'000000000000'")
.execute(getQueryRunner(), postgresCreateAndInsert("tpch.test_varbinary"));
SqlDataTypeTest.create()
.addRoundTrip("varbinary", "NULL", VARBINARY, "CAST(NULL AS varbinary)")
.addRoundTrip("varbinary", "X''", VARBINARY, "X''")
.addRoundTrip("varbinary", "X'68656C6C6F'", VARBINARY, "to_utf8('hello')")
.addRoundTrip("varbinary", "X'5069C4996B6E6120C582C4856B61207720E69DB1E4BAACE983BD'", VARBINARY, "to_utf8('Piękna łąka w 東京都')")
.addRoundTrip("varbinary", "X'4261672066756C6C206F6620F09F92B0'", VARBINARY, "to_utf8('Bag full of 💰')")
.addRoundTrip("varbinary", "X'0001020304050607080DF9367AA7000000'", VARBINARY, "X'0001020304050607080DF9367AA7000000'") // non-text
.addRoundTrip("varbinary", "X'000000000000'", VARBINARY, "X'000000000000'")
.execute(getQueryRunner(), trinoCreateAsSelect("test_varbinary"));
}
private static String utf8ByteaLiteral(String string)
{
return format("bytea E'\\\\x%s'", base16().encode(string.getBytes(UTF_8)));
}
@Test
public void testForcedMappingToVarchar()
{
JdbcSqlExecutor jdbcSqlExecutor = new JdbcSqlExecutor(postgreSqlServer.getJdbcUrl(), postgreSqlServer.getProperties());
jdbcSqlExecutor.execute("CREATE TABLE tpch.test_forced_varchar_mapping(tsrange_col tsrange, inet_col inet, tsrange_arr_col tsrange[], unsupported_nonforced_column tstzrange)");
jdbcSqlExecutor.execute("INSERT INTO tpch.test_forced_varchar_mapping(tsrange_col, inet_col, tsrange_arr_col, unsupported_nonforced_column) " +
"VALUES ('[2010-01-01 14:30, 2010-01-01 15:30)'::tsrange, '172.0.0.1'::inet, array['[2010-01-01 14:30, 2010-01-01 15:30)'::tsrange], '[2010-01-01 14:30, 2010-01-01 15:30)'::tstzrange)");
try {
assertQuery(
sessionWithArrayAsArray(),
"SELECT column_name, data_type FROM information_schema.columns WHERE table_schema = 'tpch' AND table_name = 'test_forced_varchar_mapping'",
"VALUES ('tsrange_col','varchar'),('inet_col','varchar'),('tsrange_arr_col','array(varchar)')"); // no 'unsupported_nonforced_column'
assertQuery(
sessionWithArrayAsArray(),
"SELECT * FROM tpch.test_forced_varchar_mapping",
"VALUES ('[\"2010-01-01 14:30:00\",\"2010-01-01 15:30:00\")','172.0.0.1',ARRAY['[\"2010-01-01 14:30:00\",\"2010-01-01 15:30:00\")'])");
// test predicate pushdown to column that has forced varchar mapping
assertThat(query("SELECT 1 FROM tpch.test_forced_varchar_mapping WHERE tsrange_col = '[\"2010-01-01 14:30:00\",\"2010-01-01 15:30:00\")'"))
.matches("VALUES 1")
.isNotFullyPushedDown(FilterNode.class);
assertThat(query("SELECT 1 FROM tpch.test_forced_varchar_mapping WHERE tsrange_col = 'some value'"))
.returnsEmptyResult()
.isNotFullyPushedDown(FilterNode.class);
// test insert into column that has forced varchar mapping
assertQueryFails(
"INSERT INTO tpch.test_forced_varchar_mapping (tsrange_col) VALUES ('some value')",
"Underlying type that is mapped to VARCHAR is not supported for INSERT: tsrange");
}
finally {
jdbcSqlExecutor.execute("DROP TABLE tpch.test_forced_varchar_mapping");
}
}
@Test
public void testDecimalExceedingPrecisionMaxIgnored()
{
testUnsupportedDataTypeAsIgnored("decimal(50,0)", "12345678901234567890123456789012345678901234567890");
}
@Test
public void testDecimalExceedingPrecisionMaxConvertedToVarchar()
{
testUnsupportedDataTypeConvertedToVarchar(
getSession(),
"decimal(50,0)",
"numeric",
"12345678901234567890123456789012345678901234567890",
"'12345678901234567890123456789012345678901234567890'");
}
@Test
public void testDecimalExceedingPrecisionMaxWithExceedingIntegerValues()
{
JdbcSqlExecutor jdbcSqlExecutor = new JdbcSqlExecutor(postgreSqlServer.getJdbcUrl(), postgreSqlServer.getProperties());
try (TestTable testTable = new TestTable(
jdbcSqlExecutor,
"tpch.test_exceeding_max_decimal",
"(d_col decimal(65,25))",
asList("1234567890123456789012345678901234567890.123456789", "-1234567890123456789012345678901234567890.123456789"))) {
assertQuery(
sessionWithDecimalMappingAllowOverflow(UNNECESSARY, 0),
format("SELECT column_name, data_type FROM information_schema.columns WHERE table_schema = 'tpch' AND table_schema||'.'||table_name = '%s'", testTable.getName()),
"VALUES ('d_col', 'decimal(38,0)')");
assertQueryFails(
sessionWithDecimalMappingAllowOverflow(UNNECESSARY, 0),
"SELECT d_col FROM " + testTable.getName(),
"Rounding necessary");
assertQueryFails(
sessionWithDecimalMappingAllowOverflow(HALF_UP, 0),
"SELECT d_col FROM " + testTable.getName(),
"Decimal overflow");
assertQuery(
sessionWithDecimalMappingStrict(CONVERT_TO_VARCHAR),
format("SELECT column_name, data_type FROM information_schema.columns WHERE table_schema = 'tpch' AND table_schema||'.'||table_name = '%s'", testTable.getName()),
"VALUES ('d_col', 'varchar')");
assertQuery(
sessionWithDecimalMappingStrict(CONVERT_TO_VARCHAR),
"SELECT d_col FROM " + testTable.getName(),
"VALUES ('1234567890123456789012345678901234567890.1234567890000000000000000'), ('-1234567890123456789012345678901234567890.1234567890000000000000000')");
}
}
@Test
public void testDecimalExceedingPrecisionMaxWithNonExceedingIntegerValues()
{
JdbcSqlExecutor jdbcSqlExecutor = new JdbcSqlExecutor(postgreSqlServer.getJdbcUrl(), postgreSqlServer.getProperties());
try (TestTable testTable = new TestTable(
jdbcSqlExecutor,
"tpch.test_exceeding_max_decimal",
"(d_col decimal(60,20))",
asList("123456789012345678901234567890.123456789012345", "-123456789012345678901234567890.123456789012345"))) {
assertQuery(
sessionWithDecimalMappingAllowOverflow(UNNECESSARY, 0),
format("SELECT column_name, data_type FROM information_schema.columns WHERE table_schema = 'tpch' AND table_schema||'.'||table_name = '%s'", testTable.getName()),
"VALUES ('d_col', 'decimal(38,0)')");
assertQueryFails(
sessionWithDecimalMappingAllowOverflow(UNNECESSARY, 0),
"SELECT d_col FROM " + testTable.getName(),
"Rounding necessary");
assertQuery(
sessionWithDecimalMappingAllowOverflow(HALF_UP, 0),
"SELECT d_col FROM " + testTable.getName(),
"VALUES (123456789012345678901234567890), (-123456789012345678901234567890)");
assertQuery(
sessionWithDecimalMappingAllowOverflow(UNNECESSARY, 8),
format("SELECT column_name, data_type FROM information_schema.columns WHERE table_schema = 'tpch' AND table_schema||'.'||table_name = '%s'", testTable.getName()),
"VALUES ('d_col', 'decimal(38,8)')");
assertQueryFails(
sessionWithDecimalMappingAllowOverflow(UNNECESSARY, 8),
"SELECT d_col FROM " + testTable.getName(),
"Rounding necessary");
assertQuery(
sessionWithDecimalMappingAllowOverflow(HALF_UP, 8),
"SELECT d_col FROM " + testTable.getName(),
"VALUES (123456789012345678901234567890.12345679), (-123456789012345678901234567890.12345679)");
assertQuery(
sessionWithDecimalMappingAllowOverflow(HALF_UP, 22),
format("SELECT column_name, data_type FROM information_schema.columns WHERE table_schema = 'tpch' AND table_schema||'.'||table_name = '%s'", testTable.getName()),
"VALUES ('d_col', 'decimal(38,20)')");
assertQueryFails(
sessionWithDecimalMappingAllowOverflow(HALF_UP, 20),
"SELECT d_col FROM " + testTable.getName(),
"Decimal overflow");
assertQueryFails(
sessionWithDecimalMappingAllowOverflow(HALF_UP, 9),
"SELECT d_col FROM " + testTable.getName(),
"Decimal overflow");
assertQuery(
sessionWithDecimalMappingStrict(CONVERT_TO_VARCHAR),
format("SELECT column_name, data_type FROM information_schema.columns WHERE table_schema = 'tpch' AND table_schema||'.'||table_name = '%s'", testTable.getName()),
"VALUES ('d_col', 'varchar')");
assertQuery(
sessionWithDecimalMappingStrict(CONVERT_TO_VARCHAR),
"SELECT d_col FROM " + testTable.getName(),
"VALUES ('123456789012345678901234567890.12345678901234500000'), ('-123456789012345678901234567890.12345678901234500000')");
}
}
@Test(dataProvider = "testDecimalExceedingPrecisionMaxProvider")
public void testDecimalExceedingPrecisionMaxWithSupportedValues(int typePrecision, int typeScale)
{
JdbcSqlExecutor jdbcSqlExecutor = new JdbcSqlExecutor(postgreSqlServer.getJdbcUrl(), postgreSqlServer.getProperties());
try (TestTable testTable = new TestTable(
jdbcSqlExecutor,
"tpch.test_exceeding_max_decimal",
format("(d_col decimal(%d,%d))", typePrecision, typeScale),
asList("12.01", "-12.01", "123", "-123", "1.12345678", "-1.12345678"))) {
assertQuery(
sessionWithDecimalMappingAllowOverflow(UNNECESSARY, 0),
format("SELECT column_name, data_type FROM information_schema.columns WHERE table_schema = 'tpch' AND table_schema||'.'||table_name = '%s'", testTable.getName()),
"VALUES ('d_col', 'decimal(38,0)')");
assertQueryFails(
sessionWithDecimalMappingAllowOverflow(UNNECESSARY, 0),
"SELECT d_col FROM " + testTable.getName(),
"Rounding necessary");
assertQuery(
sessionWithDecimalMappingAllowOverflow(HALF_UP, 0),
"SELECT d_col FROM " + testTable.getName(),
"VALUES (12), (-12), (123), (-123), (1), (-1)");
assertQuery(
sessionWithDecimalMappingAllowOverflow(HALF_UP, 3),
format("SELECT column_name, data_type FROM information_schema.columns WHERE table_schema = 'tpch' AND table_schema||'.'||table_name = '%s'", testTable.getName()),
"VALUES ('d_col', 'decimal(38,3)')");
assertQuery(
sessionWithDecimalMappingAllowOverflow(HALF_UP, 3),
"SELECT d_col FROM " + testTable.getName(),
"VALUES (12.01), (-12.01), (123), (-123), (1.123), (-1.123)");
assertQueryFails(
sessionWithDecimalMappingAllowOverflow(UNNECESSARY, 3),
"SELECT d_col FROM " + testTable.getName(),
"Rounding necessary");
assertQuery(
sessionWithDecimalMappingAllowOverflow(HALF_UP, 8),
format("SELECT column_name, data_type FROM information_schema.columns WHERE table_schema = 'tpch' AND table_schema||'.'||table_name = '%s'", testTable.getName()),
"VALUES ('d_col', 'decimal(38,8)')");
assertQuery(
sessionWithDecimalMappingAllowOverflow(HALF_UP, 8),
"SELECT d_col FROM " + testTable.getName(),
"VALUES (12.01), (-12.01), (123), (-123), (1.12345678), (-1.12345678)");
assertQuery(
sessionWithDecimalMappingAllowOverflow(HALF_UP, 9),
"SELECT d_col FROM " + testTable.getName(),
"VALUES (12.01), (-12.01), (123), (-123), (1.12345678), (-1.12345678)");
assertQuery(
sessionWithDecimalMappingAllowOverflow(UNNECESSARY, 8),
"SELECT d_col FROM " + testTable.getName(),
"VALUES (12.01), (-12.01), (123), (-123), (1.12345678), (-1.12345678)");
}
}
@DataProvider
public Object[][] testDecimalExceedingPrecisionMaxProvider()
{
return new Object[][] {
{40, 8},
{50, 10},
};
}
@Test
public void testDecimalUnspecifiedPrecisionWithSupportedValues()
{
JdbcSqlExecutor jdbcSqlExecutor = new JdbcSqlExecutor(postgreSqlServer.getJdbcUrl(), postgreSqlServer.getProperties());
try (TestTable testTable = new TestTable(
jdbcSqlExecutor,
"tpch.test_var_decimal",
"(d_col decimal)",
asList("1.12", "123456.789", "-1.12", "-123456.789"))) {
assertQuery(
sessionWithDecimalMappingAllowOverflow(UNNECESSARY, 0),
format("SELECT column_name, data_type FROM information_schema.columns WHERE table_schema = 'tpch' AND table_schema||'.'||table_name = '%s'", testTable.getName()),
"VALUES ('d_col','decimal(38,0)')");
assertQueryFails(
sessionWithDecimalMappingAllowOverflow(UNNECESSARY, 0),
"SELECT d_col FROM " + testTable.getName(),
"Rounding necessary");
assertQuery(
sessionWithDecimalMappingAllowOverflow(HALF_UP, 0),
"SELECT d_col FROM " + testTable.getName(),
"VALUES (1), (123457), (-1), (-123457)");
assertQueryFails(
sessionWithDecimalMappingAllowOverflow(UNNECESSARY, 1),
"SELECT d_col FROM " + testTable.getName(),
"Rounding necessary");
assertQuery(
sessionWithDecimalMappingAllowOverflow(HALF_UP, 1),
format("SELECT column_name, data_type FROM information_schema.columns WHERE table_schema = 'tpch' AND table_schema||'.'||table_name = '%s'", testTable.getName()),
"VALUES ('d_col','decimal(38,1)')");
assertQuery(
sessionWithDecimalMappingAllowOverflow(HALF_UP, 1),
"SELECT d_col FROM " + testTable.getName(),
"VALUES (1.1), (123456.8), (-1.1), (-123456.8)");
assertQueryFails(
sessionWithDecimalMappingAllowOverflow(UNNECESSARY, 2),
"SELECT d_col FROM " + testTable.getName(),
"Rounding necessary");
assertQuery(
sessionWithDecimalMappingAllowOverflow(HALF_UP, 2),
"SELECT d_col FROM " + testTable.getName(),
"VALUES (1.12), (123456.79), (-1.12), (-123456.79)");
assertQuery(
sessionWithDecimalMappingAllowOverflow(UNNECESSARY, 3),
format("SELECT column_name, data_type FROM information_schema.columns WHERE table_schema = 'tpch' AND table_schema||'.'||table_name = '%s'", testTable.getName()),
"VALUES ('d_col','decimal(38,3)')");
assertQuery(
sessionWithDecimalMappingAllowOverflow(UNNECESSARY, 3),
"SELECT d_col FROM " + testTable.getName(),
"VALUES (1.12), (123456.789), (-1.12), (-123456.789)");
}
}
@Test
public void testDecimalUnspecifiedPrecisionWithExceedingValue()
{
JdbcSqlExecutor jdbcSqlExecutor = new JdbcSqlExecutor(postgreSqlServer.getJdbcUrl(), postgreSqlServer.getProperties());
try (TestTable testTable = new TestTable(
jdbcSqlExecutor,
"tpch.test_var_decimal_with_exceeding_value",
"(key varchar(5), d_col decimal)",
asList("NULL, '1.12'", "NULL, '1234567890123456789012345678901234567890.1234567'"))) {
assertQuery(
sessionWithDecimalMappingAllowOverflow(UNNECESSARY, 0),
format("SELECT column_name, data_type FROM information_schema.columns WHERE table_schema = 'tpch' AND table_schema||'.'||table_name = '%s'", testTable.getName()),
"VALUES ('key', 'varchar(5)'),('d_col', 'decimal(38,0)')");
assertQueryFails(
sessionWithDecimalMappingAllowOverflow(UNNECESSARY, 0),
"SELECT * FROM " + testTable.getName(),
"Rounding necessary");
assertQueryFails(
sessionWithDecimalMappingAllowOverflow(HALF_UP, 0),
"SELECT * FROM " + testTable.getName(),
"Decimal overflow");
assertQuery(
sessionWithDecimalMappingStrict(CONVERT_TO_VARCHAR),
format("SELECT column_name, data_type FROM information_schema.columns WHERE table_schema = 'tpch' AND table_schema||'.'||table_name = '%s'", testTable.getName()),
"VALUES ('key', 'varchar(5)'),('d_col', 'varchar')");
assertQuery(
sessionWithDecimalMappingStrict(CONVERT_TO_VARCHAR),
"SELECT * FROM " + testTable.getName(),
"VALUES (NULL, '1.12'), (NULL, '1234567890123456789012345678901234567890.1234567')");
assertQuery(
sessionWithDecimalMappingStrict(IGNORE),
format("SELECT column_name, data_type FROM information_schema.columns WHERE table_schema = 'tpch' AND table_schema||'.'||table_name = '%s'", testTable.getName()),
"VALUES ('key', 'varchar(5)')");
}
}
@Test
public void testArrayDisabled()
{
Session session = Session.builder(getSession())
.setCatalogSessionProperty("postgresql", PostgreSqlSessionProperties.ARRAY_MAPPING, DISABLED.name())
.build();
testUnsupportedDataTypeAsIgnored(session, "bigint[]", "ARRAY[42]");
testUnsupportedDataTypeConvertedToVarchar(session, "bigint[]", "_int8", "ARRAY[42]", "'{42}'");
testUnsupportedDataTypeAsIgnored(session, "bytea[]", "ARRAY['binary'::bytea]");
testUnsupportedDataTypeConvertedToVarchar(session, "bytea[]", "_bytea", "ARRAY['binary'::bytea]", "'{\"\\\\x62696e617279\"}'");
}
@Test
public void testArray()
{
Session session = sessionWithArrayAsArray();
// basic types
DataTypeTest.create(true)
.addRoundTrip(arrayDataType(booleanDataType()), asList(true, false))
.addRoundTrip(arrayDataType(bigintDataType()), asList(123_456_789_012L))
.addRoundTrip(arrayDataType(integerDataType()), asList(1, 2, 1_234_567_890))
.addRoundTrip(arrayDataType(smallintDataType()), asList((short) 32_456))
.addRoundTrip(arrayDataType(doubleDataType()), asList(123.45d))
.addRoundTrip(arrayDataType(realDataType()), asList(123.45f))
.execute(getQueryRunner(), session, trinoCreateAsSelect(session, "test_array_basic"));
arrayDateTest(TestPostgreSqlTypeMapping::arrayDataType)
.execute(getQueryRunner(), session, trinoCreateAsSelect(session, "test_array_date"));
arrayDateTest(TestPostgreSqlTypeMapping::postgresArrayDataType)
.execute(getQueryRunner(), session, postgresCreateAndInsert("tpch.test_array_date"));
arrayDecimalTest(TestPostgreSqlTypeMapping::arrayDataType)
.execute(getQueryRunner(), session, trinoCreateAsSelect(session, "test_array_decimal"));
arrayDecimalTest(TestPostgreSqlTypeMapping::postgresArrayDataType)
.execute(getQueryRunner(), session, postgresCreateAndInsert("tpch.test_array_decimal"));
arrayVarcharDataTypeTest(TestPostgreSqlTypeMapping::arrayDataType)
.execute(getQueryRunner(), session, trinoCreateAsSelect(session, "test_array_varchar"));
arrayVarcharDataTypeTest(TestPostgreSqlTypeMapping::postgresArrayDataType)
.execute(getQueryRunner(), session, postgresCreateAndInsert("tpch.test_array_varchar"));
testUnsupportedDataTypeAsIgnored(session, "bytea[]", "ARRAY['binary value'::bytea]");
testUnsupportedDataTypeAsIgnored(session, "bytea[]", "ARRAY[ARRAY['binary value'::bytea]]");
testUnsupportedDataTypeAsIgnored(session, "bytea[]", "ARRAY[ARRAY[ARRAY['binary value'::bytea]]]");
testUnsupportedDataTypeAsIgnored(session, "_bytea", "ARRAY['binary value'::bytea]");
testUnsupportedDataTypeConvertedToVarchar(session, "bytea[]", "_bytea", "ARRAY['binary value'::bytea]", "'{\"\\\\x62696e6172792076616c7565\"}'");
arrayUnicodeDataTypeTest(TestPostgreSqlTypeMapping::arrayDataType, DataType::charDataType)
.execute(getQueryRunner(), session, trinoCreateAsSelect(session, "test_array_parameterized_char_unicode"));
arrayUnicodeDataTypeTest(TestPostgreSqlTypeMapping::postgresArrayDataType, DataType::charDataType)
.execute(getQueryRunner(), session, postgresCreateAndInsert("tpch.test_array_parameterized_char_unicode"));
arrayVarcharUnicodeDataTypeTest(TestPostgreSqlTypeMapping::arrayDataType)
.execute(getQueryRunner(), session, trinoCreateAsSelect(session, "test_array_parameterized_varchar_unicode"));
arrayVarcharUnicodeDataTypeTest(TestPostgreSqlTypeMapping::postgresArrayDataType)
.execute(getQueryRunner(), session, postgresCreateAndInsert("tpch.test_array_parameterized_varchar_unicode"));
}
@Test
public void testInternalArray()
{
DataTypeTest.create()
.addRoundTrip(arrayDataType(integerDataType(), "_int4"), asList(1, 2, 3))
.addRoundTrip(arrayDataType(varcharDataType(), "_text"), asList("a", "b"))
.execute(getQueryRunner(), sessionWithArrayAsArray(), postgresCreateAndInsert("tpch.test_array_with_native_name"));
}
@Test
public void testArrayEmptyOrNulls()
{
DataTypeTest.create()
.addRoundTrip(arrayDataType(bigintDataType()), asList())
.addRoundTrip(arrayDataType(booleanDataType()), null)
.addRoundTrip(arrayDataType(realDataType()), singletonList(null))
.addRoundTrip(arrayDataType(integerDataType()), asList(1, null, 3, null))
.addRoundTrip(arrayDataType(timestampDataType(3)), asList())
.addRoundTrip(arrayDataType(timestampDataType(3)), singletonList(null))
.addRoundTrip(arrayDataType(trinoTimestampWithTimeZoneDataType(3)), asList())
.addRoundTrip(arrayDataType(trinoTimestampWithTimeZoneDataType(3)), singletonList(null))
.execute(getQueryRunner(), sessionWithArrayAsArray(), trinoCreateAsSelect(sessionWithArrayAsArray(), "test_array_empty_or_nulls"));
}
private DataTypeTest arrayDecimalTest(Function<DataType<BigDecimal>, DataType<List<BigDecimal>>> arrayTypeFactory)
{
return DataTypeTest.create()
.addRoundTrip(arrayTypeFactory.apply(decimalDataType(3, 0)), asList(new BigDecimal("193"), new BigDecimal("19"), new BigDecimal("-193")))
.addRoundTrip(arrayTypeFactory.apply(decimalDataType(3, 1)), asList(new BigDecimal("10.0"), new BigDecimal("10.1"), new BigDecimal("-10.1")))
.addRoundTrip(arrayTypeFactory.apply(decimalDataType(4, 2)), asList(new BigDecimal("2"), new BigDecimal("2.3")))
.addRoundTrip(arrayTypeFactory.apply(decimalDataType(24, 2)), asList(new BigDecimal("2"), new BigDecimal("2.3"), new BigDecimal("123456789.3")))
.addRoundTrip(arrayTypeFactory.apply(decimalDataType(24, 4)), asList(new BigDecimal("12345678901234567890.31")))
.addRoundTrip(arrayTypeFactory.apply(decimalDataType(30, 5)), asList(new BigDecimal("3141592653589793238462643.38327"), new BigDecimal("-3141592653589793238462643.38327")))
.addRoundTrip(arrayTypeFactory.apply(decimalDataType(38, 0)), asList(
new BigDecimal("27182818284590452353602874713526624977"),
new BigDecimal("-27182818284590452353602874713526624977")));
}
private DataTypeTest arrayVarcharDataTypeTest(Function<DataType<String>, DataType<List<String>>> arrayTypeFactory)
{
return DataTypeTest.create()
.addRoundTrip(arrayTypeFactory.apply(varcharDataType(10)), asList("text_a"))
.addRoundTrip(arrayTypeFactory.apply(varcharDataType(255)), asList("text_b"))
.addRoundTrip(arrayTypeFactory.apply(varcharDataType(65535)), asList("text_d"))
.addRoundTrip(arrayTypeFactory.apply(varcharDataType(10485760)), asList("text_f"))
.addRoundTrip(arrayTypeFactory.apply(varcharDataType()), asList("unbounded"));
}
private DataTypeTest arrayVarcharUnicodeDataTypeTest(Function<DataType<String>, DataType<List<String>>> arrayTypeFactory)
{
return arrayUnicodeDataTypeTest(arrayTypeFactory, DataType::varcharDataType)
.addRoundTrip(arrayTypeFactory.apply(varcharDataType()), asList("\u041d\u0443, \u043f\u043e\u0433\u043e\u0434\u0438!"));
}
private DataTypeTest arrayUnicodeDataTypeTest(Function<DataType<String>, DataType<List<String>>> arrayTypeFactory, Function<Integer, DataType<String>> dataTypeFactory)
{
String sampleUnicodeText = "\u653b\u6bbb\u6a5f\u52d5\u968a";
String sampleFourByteUnicodeCharacter = "\uD83D\uDE02";
return DataTypeTest.create()
.addRoundTrip(arrayTypeFactory.apply(dataTypeFactory.apply(sampleUnicodeText.length())), asList(sampleUnicodeText))
.addRoundTrip(arrayTypeFactory.apply(dataTypeFactory.apply(32)), asList(sampleUnicodeText))
.addRoundTrip(arrayTypeFactory.apply(dataTypeFactory.apply(20000)), asList(sampleUnicodeText))
.addRoundTrip(arrayTypeFactory.apply(dataTypeFactory.apply(1)), asList(sampleFourByteUnicodeCharacter));
}
private DataTypeTest arrayDateTest(Function<DataType<LocalDate>, DataType<List<LocalDate>>> arrayTypeFactory)
{
ZoneId jvmZone = ZoneId.systemDefault();
checkState(jvmZone.getId().equals("America/Bahia_Banderas"), "This test assumes certain JVM time zone");
LocalDate dateOfLocalTimeChangeForwardAtMidnightInJvmZone = LocalDate.of(1970, 1, 1);
checkIsGap(jvmZone, dateOfLocalTimeChangeForwardAtMidnightInJvmZone.atStartOfDay());
ZoneId someZone = ZoneId.of("Europe/Vilnius");
LocalDate dateOfLocalTimeChangeForwardAtMidnightInSomeZone = LocalDate.of(1983, 4, 1);
checkIsGap(someZone, dateOfLocalTimeChangeForwardAtMidnightInSomeZone.atStartOfDay());
LocalDate dateOfLocalTimeChangeBackwardAtMidnightInSomeZone = LocalDate.of(1983, 10, 1);
checkIsDoubled(someZone, dateOfLocalTimeChangeBackwardAtMidnightInSomeZone.atStartOfDay().minusMinutes(1));
return DataTypeTest.create()
.addRoundTrip(arrayTypeFactory.apply(dateDataType()), asList(LocalDate.of(1952, 4, 3))) // before epoch
.addRoundTrip(arrayTypeFactory.apply(dateDataType()), asList(LocalDate.of(1970, 1, 1)))
.addRoundTrip(arrayTypeFactory.apply(dateDataType()), asList(LocalDate.of(1970, 2, 3)))
.addRoundTrip(arrayTypeFactory.apply(dateDataType()), asList(LocalDate.of(2017, 7, 1))) // summer on northern hemisphere (possible DST)
.addRoundTrip(arrayTypeFactory.apply(dateDataType()), asList(LocalDate.of(2017, 1, 1))) // winter on northern hemisphere (possible DST on southern hemisphere)
.addRoundTrip(arrayTypeFactory.apply(dateDataType()), asList(dateOfLocalTimeChangeForwardAtMidnightInJvmZone))
.addRoundTrip(arrayTypeFactory.apply(dateDataType()), asList(dateOfLocalTimeChangeForwardAtMidnightInSomeZone))
.addRoundTrip(arrayTypeFactory.apply(dateDataType()), asList(dateOfLocalTimeChangeBackwardAtMidnightInSomeZone));
}
@Test
public void testArrayMultidimensional()
{
// for multidimensional arrays, PostgreSQL requires subarrays to have the same dimensions, including nulls
// e.g. [[1], [1, 2]] and [null, [1, 2]] are not allowed, but [[null, null], [1, 2]] is allowed
DataTypeTest.create()
.addRoundTrip(arrayDataType(arrayDataType(booleanDataType())), asList(asList(null, null, null)))
.addRoundTrip(arrayDataType(arrayDataType(booleanDataType())), asList(asList(true, null), asList(null, null), asList(false, false)))
.addRoundTrip(arrayDataType(arrayDataType(integerDataType())), asList(asList(1, 2), asList(null, null), asList(3, 4)))
.addRoundTrip(arrayDataType(arrayDataType(decimalDataType(3, 0))), asList(
asList(new BigDecimal("193")),
asList(new BigDecimal("19")),
asList(new BigDecimal("-193"))))
.execute(getQueryRunner(), sessionWithArrayAsArray(), trinoCreateAsSelect(sessionWithArrayAsArray(), "test_array_2d"));
DataTypeTest.create()
.addRoundTrip(arrayDataType(arrayDataType(arrayDataType(doubleDataType()))), asList(
asList(asList(123.45d), asList(678.99d)),
asList(asList(543.21d), asList(998.76d)),
asList(asList(567.123d), asList(789.12d))))
.addRoundTrip(arrayDataType(arrayDataType(arrayDataType(dateDataType()))), asList(
asList(asList(LocalDate.of(1952, 4, 3), LocalDate.of(1970, 1, 1))),
asList(asList(null, LocalDate.of(1970, 1, 1))),
asList(asList(LocalDate.of(1970, 2, 3), LocalDate.of(2017, 7, 1)))))
.execute(getQueryRunner(), sessionWithArrayAsArray(), trinoCreateAsSelect(sessionWithArrayAsArray(), "test_array_3d"));
}
@Test
public void testArrayAsJson()
{
Session session = Session.builder(getSession())
.setSystemProperty("postgresql.array_mapping", AS_JSON.name())
.build();
DataTypeTest.create()
.addRoundTrip(arrayAsJsonDataType("boolean[]"), null)
.addRoundTrip(arrayAsJsonDataType("boolean[]"), "[[true,false],[false,true],[true,true]]")
.addRoundTrip(arrayAsJsonDataType("boolean[3][2]"), "[[true,false],[false,true],[true,true]]")
.addRoundTrip(arrayAsJsonDataType("boolean[100][100][100]"), "[true]")
.addRoundTrip(arrayAsJsonDataType("_bool"), "[[true,false],[null,null]]")
.addRoundTrip(arrayAsJsonDataType("_bool"), "[[[null]]]")
.addRoundTrip(arrayAsJsonDataType("_bool"), "[]")
.execute(getQueryRunner(), session, postgresCreateAndInsert("tpch.test_boolean_array_as_json"));
DataTypeTest.create()
.addRoundTrip(arrayAsJsonDataType("integer[]"), null)
.addRoundTrip(arrayAsJsonDataType("integer[]"), "[[[1,2,3],[4,5,6]],[[7,8,9],[10,11,12]]]")
.addRoundTrip(arrayAsJsonDataType("integer[100][100][100]"), "[0]")
.addRoundTrip(arrayAsJsonDataType("integer[]"), "[[[null,null]]]")
.addRoundTrip(arrayAsJsonDataType("integer[]"), "[]")
.addRoundTrip(arrayAsJsonDataType("_int4"), "[]")
.addRoundTrip(arrayAsJsonDataType("_int4"), "[[0],[1],[2],[3]]")
.execute(getQueryRunner(), session, postgresCreateAndInsert("tpch.test_integer_array_as_json"));
DataTypeTest.create()
.addRoundTrip(arrayAsJsonDataType("double precision[]"), null)
.addRoundTrip(arrayAsJsonDataType("double precision[]"), "[[[1.1,2.2,3.3],[4.4,5.5,6.6]]]")
.addRoundTrip(arrayAsJsonDataType("double precision[100][100][100]"), "[42.3]")
.addRoundTrip(arrayAsJsonDataType("double precision[]"), "[[[null,null]]]")
.addRoundTrip(arrayAsJsonDataType("double precision[]"), "[]")
.addRoundTrip(arrayAsJsonDataType("_float8"), "[]")
.addRoundTrip(arrayAsJsonDataType("_float8"), "[[1.1],[2.2]]")
.execute(getQueryRunner(), session, postgresCreateAndInsert("tpch.test_double_array_as_json"));
DataTypeTest.create()
.addRoundTrip(arrayAsJsonDataType("real[]"), null)
.addRoundTrip(arrayAsJsonDataType("real[]"), "[[[1.1,2.2,3.3],[4.4,5.5,6.6]]]")
.addRoundTrip(arrayAsJsonDataType("real[100][100][100]"), "[42.3]")
.addRoundTrip(arrayAsJsonDataType("real[]"), "[[[null,null]]]")
.addRoundTrip(arrayAsJsonDataType("real[]"), "[]")
.addRoundTrip(arrayAsJsonDataType("_float4"), "[]")
.addRoundTrip(arrayAsJsonDataType("_float4"), "[[1.1],[2.2]]")
.execute(getQueryRunner(), session, postgresCreateAndInsert("tpch.test_real_array_as_json"));
DataTypeTest.create()
.addRoundTrip(arrayAsJsonDataType("varchar[]"), null)
.addRoundTrip(arrayAsJsonDataType("varchar[]"), "[\"text\"]")
.addRoundTrip(arrayAsJsonDataType("_text"), "[[\"one\",\"two\"],[\"three\",\"four\"]]")
.addRoundTrip(arrayAsJsonDataType("_text"), "[[\"one\",null]]")
.addRoundTrip(arrayAsJsonDataType("_text"), "[]")
.execute(getQueryRunner(), session, postgresCreateAndInsert("tpch.test_varchar_array_as_json"));
testUnsupportedDataTypeAsIgnored(session, "bytea[]", "ARRAY['binary value'::bytea]");
testUnsupportedDataTypeAsIgnored(session, "bytea[]", "ARRAY[ARRAY['binary value'::bytea]]");
testUnsupportedDataTypeAsIgnored(session, "bytea[]", "ARRAY[ARRAY[ARRAY['binary value'::bytea]]]");
testUnsupportedDataTypeAsIgnored(session, "_bytea", "ARRAY['binary value'::bytea]");
testUnsupportedDataTypeConvertedToVarchar(session, "bytea[]", "_bytea", "ARRAY['binary value'::bytea]", " '{\"\\\\x62696e6172792076616c7565\"}' ");
DataTypeTest.create()
.addRoundTrip(arrayAsJsonDataType("date[]"), null)
.addRoundTrip(arrayAsJsonDataType("date[]"), "[\"2019-01-02\"]")
.addRoundTrip(arrayAsJsonDataType("date[]"), "[null,null]")
.execute(getQueryRunner(), session, postgresCreateAndInsert("tpch.test_timestamp_array_as_json"));
DataTypeTest.create()
.addRoundTrip(arrayAsJsonDataType("timestamp[]"), null)
.addRoundTrip(arrayAsJsonDataType("timestamp[]"), "[\"2019-01-02 03:04:05.789000\"]")
.addRoundTrip(arrayAsJsonDataType("timestamp[]"), "[null,null]")
.execute(getQueryRunner(), session, postgresCreateAndInsert("tpch.test_timestamp_array_as_json"));
DataTypeTest.create()
.addRoundTrip(arrayAsJsonDataType("hstore[]"), null)
.addRoundTrip(arrayAsJsonDataType("hstore[]"), "[]")
.addRoundTrip(arrayAsJsonDataType("hstore[]"), "[null,null]")
.addRoundTrip(hstoreArrayAsJsonDataType(), "[{\"a\":\"1\",\"b\":\"2\"},{\"a\":\"3\",\"d\":\"4\"}]")
.addRoundTrip(hstoreArrayAsJsonDataType(), "[{\"a\":null,\"b\":\"2\"}]")
.execute(getQueryRunner(), session, postgresCreateAndInsert("tpch.test_hstore_array_as_json"));
}
private static <E> DataType<List<E>> arrayDataType(DataType<E> elementType)
{
return arrayDataType(elementType, format("ARRAY(%s)", elementType.getInsertType()));
}
private static <E> DataType<List<E>> postgresArrayDataType(DataType<E> elementType)
{
return arrayDataType(elementType, elementType.getInsertType() + "[]");
}
private static <E> DataType<List<E>> arrayDataType(DataType<E> elementType, String insertType)
{
return dataType(
insertType,
new ArrayType(elementType.getTrinoResultType()),
valuesList -> "ARRAY" + valuesList.stream().map(elementType::toLiteral).collect(toList()),
valuesList -> "ARRAY" + valuesList.stream().map(elementType::toTrinoLiteral).collect(toList()),
valuesList -> valuesList == null ? null : valuesList.stream().map(elementType::toTrinoQueryResult).collect(toList()));
}
private static DataType<String> arrayAsJsonDataType(String insertType)
{
return dataType(
insertType,
JSON,
// naive conversion JSON array -> array literal, sufficient for tests
value -> value
.replace("[", "ARRAY[")
.replace("\"", "'")
+ "::" + insertType);
}
private static DataType<String> hstoreArrayAsJsonDataType()
{
return dataType(
"hstore[]",
JSON,
json -> HSTORE_CODEC.fromJson(json).stream()
.map(TestPostgreSqlTypeMapping::hstoreLiteral)
.collect(joining(",", "ARRAY[", "]")));
}
@Test
public void testDate()
{
// Note: there is identical test for MySQL
ZoneId jvmZone = ZoneId.systemDefault();
checkState(jvmZone.getId().equals("America/Bahia_Banderas"), "This test assumes certain JVM time zone");
LocalDate dateOfLocalTimeChangeForwardAtMidnightInJvmZone = LocalDate.of(1970, 1, 1);
checkIsGap(jvmZone, dateOfLocalTimeChangeForwardAtMidnightInJvmZone.atStartOfDay());
ZoneId someZone = ZoneId.of("Europe/Vilnius");
LocalDate dateOfLocalTimeChangeForwardAtMidnightInSomeZone = LocalDate.of(1983, 4, 1);
checkIsGap(someZone, dateOfLocalTimeChangeForwardAtMidnightInSomeZone.atStartOfDay());
LocalDate dateOfLocalTimeChangeBackwardAtMidnightInSomeZone = LocalDate.of(1983, 10, 1);
checkIsDoubled(someZone, dateOfLocalTimeChangeBackwardAtMidnightInSomeZone.atStartOfDay().minusMinutes(1));
DataTypeTest testCases = DataTypeTest.create(true)
.addRoundTrip(dateDataType(), LocalDate.of(1952, 4, 3)) // before epoch
.addRoundTrip(dateDataType(), LocalDate.of(1970, 1, 1))
.addRoundTrip(dateDataType(), LocalDate.of(1970, 2, 3))
.addRoundTrip(dateDataType(), LocalDate.of(2017, 7, 1)) // summer on northern hemisphere (possible DST)
.addRoundTrip(dateDataType(), LocalDate.of(2017, 1, 1)) // winter on northern hemisphere (possible DST on southern hemisphere)
.addRoundTrip(dateDataType(), dateOfLocalTimeChangeForwardAtMidnightInJvmZone)
.addRoundTrip(dateDataType(), dateOfLocalTimeChangeForwardAtMidnightInSomeZone)
.addRoundTrip(dateDataType(), dateOfLocalTimeChangeBackwardAtMidnightInSomeZone);
for (String timeZoneId : ImmutableList.of(UTC_KEY.getId(), jvmZone.getId(), someZone.getId())) {
Session session = Session.builder(getSession())
.setTimeZoneKey(TimeZoneKey.getTimeZoneKey(timeZoneId))
.build();
testCases.execute(getQueryRunner(), session, postgresCreateAndInsert("tpch.test_date"));
testCases.execute(getQueryRunner(), session, trinoCreateAsSelect(session, "test_date"));
testCases.execute(getQueryRunner(), session, trinoCreateAsSelect(getSession(), "test_date"));
testCases.execute(getQueryRunner(), session, trinoCreateAndInsert(session, "test_date"));
}
}
@Test
public void testEnum()
{
JdbcSqlExecutor jdbcSqlExecutor = new JdbcSqlExecutor(postgreSqlServer.getJdbcUrl(), postgreSqlServer.getProperties());
jdbcSqlExecutor.execute("CREATE TYPE enum_t AS ENUM ('a','b','c')");
jdbcSqlExecutor.execute("CREATE TABLE tpch.test_enum(id int, enum_column enum_t)");
jdbcSqlExecutor.execute("INSERT INTO tpch.test_enum(id,enum_column) values (1,'a'::enum_t),(2,'b'::enum_t)");
try {
assertQuery(
"SELECT column_name, data_type FROM information_schema.columns WHERE table_schema = 'tpch' AND table_name = 'test_enum'",
"VALUES ('id','integer'),('enum_column','varchar')");
assertQuery("SELECT * FROM tpch.test_enum", "VALUES (1,'a'),(2,'b')");
assertQuery("SELECT * FROM tpch.test_enum WHERE enum_column='a'", "VALUES (1,'a')");
}
finally {