PREHOOK: query: DESCRIBE FUNCTION repeat PREHOOK: type: DESCFUNCTION POSTHOOK: query: DESCRIBE FUNCTION repeat POSTHOOK: type: DESCFUNCTION repeat(str, n) - repeat str n times PREHOOK: query: DESCRIBE FUNCTION EXTENDED repeat PREHOOK: type: DESCFUNCTION POSTHOOK: query: DESCRIBE FUNCTION EXTENDED repeat POSTHOOK: type: DESCFUNCTION repeat(str, n) - repeat str n times Example: > SELECT repeat('123', 2) FROM src LIMIT 1; '123123' PREHOOK: query: EXPLAIN SELECT repeat("Facebook", 3), repeat("", 4), repeat("asd", 0), repeat("asdf", -1) FROM src LIMIT 1 PREHOOK: type: QUERY POSTHOOK: query: EXPLAIN SELECT repeat("Facebook", 3), repeat("", 4), repeat("asd", 0), repeat("asdf", -1) FROM src LIMIT 1 POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION repeat "Facebook" 3)) (TOK_SELEXPR (TOK_FUNCTION repeat "" 4)) (TOK_SELEXPR (TOK_FUNCTION repeat "asd" 0)) (TOK_SELEXPR (TOK_FUNCTION repeat "asdf" (- 1)))) (TOK_LIMIT 1))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: src TableScan alias: src Select Operator expressions: expr: repeat('Facebook', 3) type: string expr: repeat('', 4) type: string expr: repeat('asd', 0) type: string expr: repeat('asdf', (- 1)) type: string outputColumnNames: _col0, _col1, _col2, _col3 Limit File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat Stage: Stage-0 Fetch Operator limit: 1 PREHOOK: query: SELECT repeat("Facebook", 3), repeat("", 4), repeat("asd", 0), repeat("asdf", -1) FROM src LIMIT 1 PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-40-06_666_1593299454433613583/-mr-10000 POSTHOOK: query: SELECT repeat("Facebook", 3), repeat("", 4), repeat("asd", 0), repeat("asdf", -1) FROM src LIMIT 1 POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-40-06_666_1593299454433613583/-mr-10000 FacebookFacebookFacebook