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Docs/manual.texi: Added Innobase documentation configure.in: Incremented version include/my_base.h: Added option for Innobase myisam/mi_check.c: cleanup mysql-test/t/bdb.test: cleanup mysql-test/t/innobase.test: Extended with new tests from bdb.test mysql-test/t/merge.test: Added test of SHOW create mysys/my_init.c: Fix for UNIXWARE 7 scripts/mysql_install_db.sh: Always write how to start mysqld scripts/safe_mysqld.sh: Fixed type sql/ha_innobase.cc: Update to new version sql/ha_innobase.h: Update to new version sql/handler.h: Added 'update_table_comment()' and 'append_create_info()' sql/sql_delete.cc: Fixes for Innobase sql/sql_select.cc: Fixes for Innobase sql/sql_show.cc: Append create information (for MERGE tables) sql/sql_update.cc: Fixes for Innobase
97 lines
2.8 KiB
C
97 lines
2.8 KiB
C
/******************************************************
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SQL evaluator: evaluates simple data structures, like expressions, in
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a query graph
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(c) 1997 Innobase Oy
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Created 12/29/1997 Heikki Tuuri
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*******************************************************/
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#ifndef eval0eval_h
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#define eval0eval_h
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#include "univ.i"
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#include "que0types.h"
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#include "pars0sym.h"
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#include "pars0pars.h"
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/*********************************************************************
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Free the buffer from global dynamic memory for a value of a que_node,
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if it has been allocated in the above function. The freeing for pushed
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column values is done in sel_col_prefetch_buf_free. */
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void
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eval_node_free_val_buf(
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/*===================*/
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que_node_t* node); /* in: query graph node */
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/*********************************************************************
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Evaluates a symbol table symbol. */
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UNIV_INLINE
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void
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eval_sym(
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/*=====*/
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sym_node_t* sym_node); /* in: symbol table node */
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/*********************************************************************
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Evaluates an expression. */
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UNIV_INLINE
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void
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eval_exp(
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/*=====*/
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que_node_t* exp_node); /* in: expression */
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/*********************************************************************
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Sets an integer value as the value of an expression node. */
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UNIV_INLINE
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void
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eval_node_set_int_val(
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/*==================*/
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que_node_t* node, /* in: expression node */
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lint val); /* in: value to set */
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/*********************************************************************
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Gets an integer value from an expression node. */
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UNIV_INLINE
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lint
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eval_node_get_int_val(
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/*==================*/
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/* out: integer value */
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que_node_t* node); /* in: expression node */
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/*********************************************************************
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Copies a binary string value as the value of a query graph node. Allocates a
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new buffer if necessary. */
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UNIV_INLINE
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void
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eval_node_copy_and_alloc_val(
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/*=========================*/
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que_node_t* node, /* in: query graph node */
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byte* str, /* in: binary string */
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ulint len); /* in: string length or UNIV_SQL_NULL */
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/*********************************************************************
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Copies a query node value to another node. */
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UNIV_INLINE
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void
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eval_node_copy_val(
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/*===============*/
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que_node_t* node1, /* in: node to copy to */
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que_node_t* node2); /* in: node to copy from */
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/*********************************************************************
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Gets a iboolean value from a query node. */
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UNIV_INLINE
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ibool
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eval_node_get_ibool_val(
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/*===================*/
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/* out: iboolean value */
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que_node_t* node); /* in: query graph node */
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/*********************************************************************
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Evaluates a comparison node. */
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ibool
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eval_cmp(
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/*=====*/
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/* out: the result of the comparison */
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func_node_t* cmp_node); /* in: comparison node */
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#ifndef UNIV_NONINL
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#include "eval0eval.ic"
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#endif
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#endif
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