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93 lines
2.5 KiB
C
93 lines
2.5 KiB
C
/* $%BEGINLICENSE%$
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Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; version 2 of the
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License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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02110-1301 USA
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$%ENDLICENSE%$ */
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#ifndef SQL_CONTEXT_H
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#define SQL_CONTEXT_H
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#include "sql-expression.h"
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#include "myparser.y.h"
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enum sql_parse_state_code_t {
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PARSE_NOT_SUPPORT = -3,
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PARSE_SYNTAX_ERR = -2,
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PARSE_ERROR = -1,
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PARSE_OK = 0,
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PARSE_HEAD, /* only extract head, leave the tail unparsed */
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PARSE_UNRECOGNIZED, /* confused, send to backend for further validation */
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};
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enum sql_parsing_place_t {
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SELECT_BEGIN = 0,
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SELECT_OPTION,
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SELECT_COLUMN,
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SELECT_FROM,
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SELECT_WHERE,
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SELECT_DONE,
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};
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struct sql_property_t;
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typedef struct sql_context_t {
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enum sql_parse_state_code_t rc;
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char *message;
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int explain;
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void *user_data;
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void *sql_statement; /* opaque statement pointer */
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sql_stmt_type_t stmt_type;
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short stmt_count;
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enum sql_clause_flag_t rw_flag;
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enum sql_clause_flag_t clause_flags;
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enum sql_expr_flags_t where_flags;
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enum sql_parsing_place_t parsing_place;
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struct sql_property_t *property;
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int is_parsing_subquery;
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int allow_subquery_nesting;
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} sql_context_t;
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void sql_context_init(sql_context_t *);
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void sql_context_reset(sql_context_t *);
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void sql_context_destroy(sql_context_t *);
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void sql_context_append_msg(sql_context_t *, char *msg);
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void sql_context_set_error(sql_context_t *, int err, char *msg);
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void sql_context_add_stmt(sql_context_t *, enum sql_stmt_type_t, void *);
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gboolean sql_context_using_property(sql_context_t *);
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gboolean sql_context_has_sharding_property(sql_context_t *p);
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void sql_context_parse_len(sql_context_t *, GString *sql);
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gboolean sql_context_is_autocommit_on(sql_context_t *);
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gboolean sql_context_is_autocommit_off(sql_context_t *);
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gboolean sql_context_is_single_node_trx(sql_context_t *);
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gboolean sql_context_is_cacheable(sql_context_t *);
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#endif /* SQL_CONTEXT_H */
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