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  • Committer: Stewart Smith
  • Date: 2011-01-14 05:15:57 UTC
  • mto: (2086.1.3 build)
  • mto: This revision was merged to the branch mainline in revision 2087.
  • Revision ID: stewart@flamingspork.com-20110114051557-sm1v4xrmqe5ql2pi
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drizzled/sql_lex.cc
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/* A lexical scanner on a temporary buffer with a yacc interface */
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#include "config.h"
 
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#define DRIZZLE_LEX 1
 
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#include "drizzled/sql_reserved_words.h"
 
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#include "drizzled/configmake.h"
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#include "drizzled/item/num.h"
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#include "drizzled/error.h"
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  lex->derived_tables= 0;
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  lex->lock_option= TL_READ;
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  lex->leaf_tables_insert= 0;
 
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  lex->var_list.clear();
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  lex->select_lex.select_number= 1;
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  lex->length=0;
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  lex->select_lex.in_sum_expr=0;
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  lex->nest_level=0 ;
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  lex->allow_sum_func= 0;
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  lex->in_sum_func= NULL;
 
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  lex->type= 0;
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  lex->is_lex_started= true;
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  lex->statement= NULL;
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  lex->is_cross= false;
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  lex->reset();
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}
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  }
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  delete result;
 
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  delete _create_table;
 
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  _create_table= NULL;
 
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  _create_field= NULL;
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  result= 0;
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  setCacheable(true);
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  }
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}
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LEX::~LEX()
 
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{
 
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  delete _create_table;
 
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}
 
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/**
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  @brief Restore the LEX and Session in case of a parse error.
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    statement parsing. On should use lex_start() function to prepare LEX
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    for this.
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*/
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LEX::LEX()
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  :
 
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LEX::LEX() :
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    result(0), 
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    yacc_yyss(0), 
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    yacc_yyvs(0),
 
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    session(NULL),
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    charset(NULL),
 
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    var_list(),
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    sql_command(SQLCOM_END), 
 
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    statement(NULL),
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    option_type(OPT_DEFAULT), 
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    is_lex_started(0),
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    cacheable(true),
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    sum_expr_used(false)
 
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    sum_expr_used(false),
 
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    _create_table(NULL),
 
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    _create_field(NULL),
 
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    _exists(false)
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{
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  reset_query_tables_list(true);
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  statement= NULL;
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}
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/**
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                                            str, length));
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}
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bool check_for_sql_keyword(drizzled::drizzle_lex_string const& string)
 
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{
 
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  if (sql_reserved_words::in_word_set(string.str, string.length))
 
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      return true;
 
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  return false;
 
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}
 
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bool check_for_sql_keyword(drizzled::st_lex_symbol const& string)
 
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{
 
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  if (sql_reserved_words::in_word_set(string.str, string.length))
 
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      return true;
 
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  return false;
 
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}
 
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} /* namespace drizzled */