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angerszhu edited comment on SPARK-37344 at 11/16/21, 8:06 AM: -------------------------------------------------------------- for same SQL {code} explain extended select split('dawdawdawd','\\\\;'); {code} In hive 1.2 {code} OK ABSTRACT SYNTAX TREE: TOK_QUERY TOK_INSERT TOK_DESTINATION TOK_DIR TOK_TMP_FILE TOK_SELECT TOK_SELEXPR TOK_FUNCTION split 'dawdawdawd' '\\\;' {code} In hive 3 {code} OK ABSTRACT SYNTAX TREE: TOK_QUERY TOK_INSERT TOK_DESTINATION TOK_DIR TOK_TMP_FILE TOK_SELECT TOK_SELEXPR TOK_FUNCTION split 'dawdawdawd' '\\\\;' {code} So it should be caused by hive's code. was (Author: angerszhuuu): for same SQL {code} explain extended select split('dawdawdawd','\\\\;'); {code} In hive 1.2 {code} OK ABSTRACT SYNTAX TREE: TOK_QUERY TOK_INSERT TOK_DESTINATION TOK_DIR TOK_TMP_FILE TOK_SELECT TOK_SELEXPR TOK_FUNCTION split 'dawdawdawd' '\\\;' {code} In hive 3 {code} OK ABSTRACT SYNTAX TREE: TOK_QUERY TOK_INSERT TOK_DESTINATION TOK_DIR TOK_TMP_FILE TOK_SELECT TOK_SELEXPR TOK_FUNCTION split 'dawdawdawd' '\\\\;' {code} > split function behave differently between spark 2.3 and spark 3.2 > ----------------------------------------------------------------- > > Key: SPARK-37344 > URL: https://issues.apache.org/jira/browse/SPARK-37344 > Project: Spark > Issue Type: Bug > Components: SQL > Affects Versions: 3.1.1, 3.1.2, 3.2.0 > Reporter: ocean > Priority: Major > Labels: incorrect > > while use split function in sql, it behave differently between 2.3 and 3.2, > which cause incorrect problem. > we can use this sql to reproduce this problem: > > create table split_test ( id int,name string) > insert into split_test values(1,"abc;def") > explain extended select split(name,'\\\\;') from split_test > > spark3: > spark-sql> Explain extended select split(name,'\\\\;') from split_test; > == Parsed Logical Plan == > 'Project [unresolvedalias('split('name, \\;), None)] > +- 'UnresolvedRelation [split_test], [], false > > spark2: > > spark-sql> Explain extended select split(name,'\\\\;') from split_test; > == Parsed Logical Plan == > 'Project [unresolvedalias('split('name, \;), None)] > +- 'UnresolvedRelation split_test > > It looks like the deal of escape is different -- This message was sent by Atlassian Jira (v8.20.1#820001) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org