[CALCITE-1175] extract() from PostgreSQL timestamp column throws org.apache.calcite.sql.SqlSyntax$6: SPECIAL

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 1.8.0
• Fix Version/s: 1.15.0
• Component/s: core

Environment

PostgreSQL

• Assignee: Julian Hyde
• Reporter: Taras Supyk
• Created: 29/Mar/16 09:52
• Updated: 09/Dec/17 18:24
• Resolved: 27/Nov/17 19:02

Description

select extract(hour from "cts") from "public"."tts";

This query throws next exception:

0: jdbc:calcite:model=postgres.json> select extract(hour from "cts") from "public"."tts";
Error: Error while executing SQL "select extract(hour from "cts") from "public"."tts"": class org.apache.calcite.sql.SqlSyntax$6: SPECIAL (state=,code=0)
java.sql.SQLException: Error while executing SQL "select extract(hour from "cts") from "public"."tts"": class org.apache.calcite.sql.SqlSyntax$6: SPECIAL
	at org.apache.calcite.avatica.Helper.createException(Helper.java:56)
	at org.apache.calcite.avatica.Helper.createException(Helper.java:41)
	at org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:143)
	at org.apache.calcite.avatica.AvaticaStatement.execute(AvaticaStatement.java:177)
	at sqlline.Commands.execute(Commands.java:822)
	at sqlline.Commands.sql(Commands.java:732)
	at sqlline.SqlLine.dispatch(SqlLine.java:807)
	at sqlline.SqlLine.begin(SqlLine.java:681)
	at sqlline.SqlLine.start(SqlLine.java:398)
	at sqlline.SqlLine.main(SqlLine.java:292)
Caused by: java.lang.UnsupportedOperationException: class org.apache.calcite.sql.SqlSyntax$6: SPECIAL
	at org.apache.calcite.util.Util.needToImplement(Util.java:924)
	at org.apache.calcite.sql.SqlSyntax$6.unparse(SqlSyntax.java:115)
	at org.apache.calcite.sql.SqlOperator.unparse(SqlOperator.java:331)
	at org.apache.calcite.sql.SqlCall.unparse(SqlCall.java:100)
	at org.apache.calcite.sql.SqlUtil.unparseFunctionSyntax(SqlUtil.java:272)
	at org.apache.calcite.sql.SqlSyntax$1.unparse(SqlSyntax.java:35)
	at org.apache.calcite.sql.SqlFunction.unparse(SqlFunction.java:171)
	at org.apache.calcite.sql.SqlCall.unparse(SqlCall.java:100)
	at org.apache.calcite.sql.SqlUtil.unparseBinarySyntax(SqlUtil.java:289)
	at org.apache.calcite.sql.SqlSyntax$3.unparse(SqlSyntax.java:64)
	at org.apache.calcite.sql.SqlOperator.unparse(SqlOperator.java:331)
	at org.apache.calcite.sql.SqlCall.unparse(SqlCall.java:100)
	at org.apache.calcite.sql.SqlNodeList.commaList(SqlNodeList.java:121)
	at org.apache.calcite.sql.SqlOperator.unparseListClause(SqlOperator.java:348)
	at org.apache.calcite.sql.SqlOperator.unparseListClause(SqlOperator.java:337)
	at org.apache.calcite.sql.SqlSelectOperator.unparse(SqlSelectOperator.java:151)
	at org.apache.calcite.sql.SqlSelect.unparse(SqlSelect.java:222)
	at org.apache.calcite.sql.SqlNode.toSqlString(SqlNode.java:149)
	at org.apache.calcite.sql.SqlNode.toSqlString(SqlNode.java:155)
	at org.apache.calcite.adapter.jdbc.JdbcToEnumerableConverter.generateSql(JdbcToEnumerableConverter.java:300)
	at org.apache.calcite.adapter.jdbc.JdbcToEnumerableConverter.implement(JdbcToEnumerableConverter.java:91)
	at org.apache.calcite.adapter.enumerable.EnumerableRelImplementor.implementRoot(EnumerableRelImplementor.java:102)
	at org.apache.calcite.adapter.enumerable.EnumerableInterpretable.toBindable(EnumerableInterpretable.java:92)
	at org.apache.calcite.prepare.CalcitePrepareImpl$CalcitePreparingStmt.implement(CalcitePrepareImpl.java:1172)
	at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:294)
	at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:193)
	at org.apache.calcite.prepare.CalcitePrepareImpl.prepare2_(CalcitePrepareImpl.java:720)
	at org.apache.calcite.prepare.CalcitePrepareImpl.prepare_(CalcitePrepareImpl.java:587)
	at org.apache.calcite.prepare.CalcitePrepareImpl.prepareSql(CalcitePrepareImpl.java:557)
	at org.apache.calcite.jdbc.CalciteConnectionImpl.parseQuery(CalciteConnectionImpl.java:214)
	at org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute(CalciteMetaImpl.java:573)
	at org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:581)
	at org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:135)
	... 7 more

Preconditions:

create table tts(rnum integer not null, cts timestamp(3));

Issue Links

• duplicates: CALCITE-1987 EXTRACT is not implemented for JDBC
• is related to: CALCITE-1177 Support more time units in EXTRACT function