PREHOOK: query: DESCRIBE FUNCTION lpad PREHOOK: type: DESCFUNCTION POSTHOOK: query: DESCRIBE FUNCTION lpad POSTHOOK: type: DESCFUNCTION lpad(str, len, pad) - Returns str, left-padded with pad to a length of len PREHOOK: query: DESCRIBE FUNCTION EXTENDED lpad PREHOOK: type: DESCFUNCTION POSTHOOK: query: DESCRIBE FUNCTION EXTENDED lpad POSTHOOK: type: DESCFUNCTION lpad(str, len, pad) - Returns str, left-padded with pad to a length of len If str is longer than len, the return value is shortened to len characters. Example: > SELECT lpad('hi', 5, '??') FROM src LIMIT 1; '???hi' > SELECT lpad('hi', 1, '??') FROM src LIMIT 1; 'h' PREHOOK: query: EXPLAIN SELECT lpad('hi', 1, '?'), lpad('hi', 5, '.'), lpad('hi', 6, '123') FROM src LIMIT 1 PREHOOK: type: QUERY POSTHOOK: query: EXPLAIN SELECT lpad('hi', 1, '?'), lpad('hi', 5, '.'), lpad('hi', 6, '123') 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 lpad 'hi' 1 '?')) (TOK_SELEXPR (TOK_FUNCTION lpad 'hi' 5 '.')) (TOK_SELEXPR (TOK_FUNCTION lpad 'hi' 6 '123'))) (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: lpad('hi', 1, '?') type: string expr: lpad('hi', 5, '.') type: string expr: lpad('hi', 6, '123') type: string outputColumnNames: _col0, _col1, _col2 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 lpad('hi', 1, '?'), lpad('hi', 5, '.'), lpad('hi', 6, '123') FROM src LIMIT 1 PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-37-40_883_8397950012459934370/-mr-10000 POSTHOOK: query: SELECT lpad('hi', 1, '?'), lpad('hi', 5, '.'), lpad('hi', 6, '123') FROM src LIMIT 1 POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_17-37-40_883_8397950012459934370/-mr-10000 h ...hi 1231hi