query: EXPLAIN
SELECT parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'HOST'), 
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'PATH'), 
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'QUERY') ,
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'REF') ,
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'QUERY', 'k2') ,
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'QUERY', 'k1') ,
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'QUERY', 'k3') ,
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'FILE') ,
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'PROTOCOL') ,
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'USERINFO') ,
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'AUTHORITY') 
  FROM src WHERE key = 86
ABSTRACT SYNTAX TREE:
  (TOK_QUERY (TOK_FROM (TOK_TABREF src)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION parse_url 'http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1' 'HOST')) (TOK_SELEXPR (TOK_FUNCTION parse_url 'http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1' 'PATH')) (TOK_SELEXPR (TOK_FUNCTION parse_url 'http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1' 'QUERY')) (TOK_SELEXPR (TOK_FUNCTION parse_url 'http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1' 'REF')) (TOK_SELEXPR (TOK_FUNCTION parse_url 'http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1' 'QUERY' 'k2')) (TOK_SELEXPR (TOK_FUNCTION parse_url 'http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1' 'QUERY' 'k1')) (TOK_SELEXPR (TOK_FUNCTION parse_url 'http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1' 'QUERY' 'k3')) (TOK_SELEXPR (TOK_FUNCTION parse_url 'http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1' 'FILE')) (TOK_SELEXPR (TOK_FUNCTION parse_url 'http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1' 'PROTOCOL')) (TOK_SELEXPR (TOK_FUNCTION parse_url 'http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1' 'USERINFO')) (TOK_SELEXPR (TOK_FUNCTION parse_url 'http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1' 'AUTHORITY'))) (TOK_WHERE (= (TOK_TABLE_OR_COL key) 86))))

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
            Filter Operator
              predicate:
                  expr: (UDFToDouble(key) = UDFToDouble(86))
                  type: boolean
              Filter Operator
                predicate:
                    expr: (UDFToDouble(key) = UDFToDouble(86))
                    type: boolean
                Select Operator
                  expressions:
                        expr: parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'HOST')
                        type: string
                        expr: parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'PATH')
                        type: string
                        expr: parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'QUERY')
                        type: string
                        expr: parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'REF')
                        type: string
                        expr: parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'QUERY', 'k2')
                        type: string
                        expr: parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'QUERY', 'k1')
                        type: string
                        expr: parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'QUERY', 'k3')
                        type: string
                        expr: parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'FILE')
                        type: string
                        expr: parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'PROTOCOL')
                        type: string
                        expr: parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'USERINFO')
                        type: string
                        expr: parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'AUTHORITY')
                        type: string
                  outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col9, _col10
                  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


query: SELECT parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'HOST'), 
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'PATH'), 
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'QUERY') ,
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'REF') ,
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'QUERY', 'k2') ,
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'QUERY', 'k1') ,
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'QUERY', 'k3') ,
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'FILE') ,
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'PROTOCOL') ,
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'USERINFO') ,
parse_url('http://facebook.com/path1/p.php?k1=v1&k2=v2#Ref1', 'AUTHORITY') 
  FROM src WHERE key = 86
Input: default/src
Output: file:/data/users/athusoo/commits/hive_trunk_ws1/build/ql/tmp/919076975/10000
facebook.com	/path1/p.php	k1=v1&k2=v2	Ref1	v2	v1	NULL	/path1/p.php?k1=v1&k2=v2	http	NULL	facebook.com