Saving all output to "!!{outputDirectory}!!/udf_ascii.q.raw". Enter "record" with no arguments to stop it. >>> !run !!{qFileDirectory}!!/udf_ascii.q >>> DESCRIBE FUNCTION ascii; 'tab_name' 'ascii(str) - returns the numeric value of the first character of str' 1 row selected >>> DESCRIBE FUNCTION EXTENDED ascii; 'tab_name' 'ascii(str) - returns the numeric value of the first character of str' 'Returns 0 if str is empty or NULL if str is NULL' 'Example:' ' > SELECT ascii('222') FROM src LIMIT 1; 50' ' > SELECT ascii(2) FROM src LIMIT 1;' ' 50' 6 rows selected >>> >>> EXPLAIN SELECT ascii('Facebook'), ascii(''), ascii('!') FROM src LIMIT 1; 'Explain' '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 ascii 'Facebook')) (TOK_SELEXPR (TOK_FUNCTION ascii '')) (TOK_SELEXPR (TOK_FUNCTION ascii '!'))) (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: ascii('Facebook')' ' type: int' ' expr: ascii('')' ' type: int' ' expr: ascii('!')' ' type: int' ' 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' '' '' 36 rows selected >>> >>> SELECT ascii('Facebook'), ascii(''), ascii('!') FROM src LIMIT 1; '_c0','_c1','_c2' '70','0','33' 1 row selected >>> !record