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Support sql_mode "ANSI_QUOTES".

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This commit is contained in:
Monk-Liu
2021-11-30 11:12:43 +08:00
committed by LINxiansheng
parent ec9c2087fb
commit d06570baf4
3 changed files with 94 additions and 14 deletions
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100
src/sql/parser/sql_parser_mysql_mode.l
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@ -34,6 +34,8 @@ extern void obsql_mysql_parser_fatal_error(yyconst char *msg, yyscan_t yyscanner
%x sq
%x dq
%x bt
/* the adq is used to process dq in ANSI_QUOTES sql_mode*/
%x adq
U [\x80-\xbf]
U_2 [\xc2-\xdf]
@ -79,6 +81,7 @@ dqbegin {dquote}
dqend {dquote}
dqdouble {dquote}{dquote}
dqcontent [^\\\n\r"]+
adqcontent [^"]+
dqnewline {dquote}{whitespace}{dquote}
backtick `
@ -631,20 +634,41 @@ FALSE {
}
{dqbegin} {
BEGIN(dq);
ParseResult *p = (ParseResult *)yyextra;
p->start_col_ = yylloc->first_column;
char **tmp_literal = &p->tmp_literal_;
if (*tmp_literal == NULL)
{
*tmp_literal = (char*) parse_malloc(p->input_sql_len_ + 1, p->malloc_pool_);
check_value(*tmp_literal);
}
malloc_new_node(yylval->node, p->malloc_pool_, T_VARCHAR, 0);
yylval->node->str_len_ = 0;
p->last_well_formed_len_ = 0;
if (IS_FAST_PARAMETERIZE && !IS_NEED_PARAMETERIZE) {
return OUTLINE_DEFAULT_TOKEN;
ObSQLMode mode = p->sql_mode_;
bool is_ansi_quotes = false;
IS_ANSI_QUOTES(mode, is_ansi_quotes);
if (is_ansi_quotes) {
BEGIN(adq);
if (IS_FAST_PARAMETERIZE) {
COPY_WRITE();
} else {
check_value(yylval);
p->start_col_ = yylloc->first_column;
char **tmp_literal = &p->tmp_literal_;
if (*tmp_literal == NULL)
{
*tmp_literal = (char*) parse_malloc(p->input_sql_len_ + 1, p->malloc_pool_);
check_value(*tmp_literal);
}
malloc_new_node(yylval->node, p->malloc_pool_, T_IDENT, 0);
yylval->node->str_len_ = 0;
}
} else {
BEGIN(dq);
p->start_col_ = yylloc->first_column;
char **tmp_literal = &p->tmp_literal_;
if (*tmp_literal == NULL)
{
*tmp_literal = (char*) parse_malloc(p->input_sql_len_ + 1, p->malloc_pool_);
check_value(*tmp_literal);
}
malloc_new_node(yylval->node, p->malloc_pool_, T_VARCHAR, 0);
yylval->node->str_len_ = 0;
p->last_well_formed_len_ = 0;
if (IS_FAST_PARAMETERIZE && !IS_NEED_PARAMETERIZE) {
return OUTLINE_DEFAULT_TOKEN;
}
}
}
@ -745,6 +769,56 @@ FALSE {
return PARSER_SYNTAX_ERROR;
}
<adq>{dqdouble} {
if (IS_FAST_PARAMETERIZE) {
COPY_WRITE();
} else {
check_value(yylval);
((ParseResult *)yyextra)->tmp_literal_[yylval->node->str_len_++] = '"';
}
}
<adq>{adqcontent} {
if (IS_FAST_PARAMETERIZE) {
COPY_WRITE();
} else {
check_value(yylval);
memmove(((ParseResult *)yyextra)->tmp_literal_ + yylval->node->str_len_, yytext, yyleng);
yylval->node->str_len_ += yyleng;
}
}
<adq>{dqend} {
BEGIN(INITIAL);
if (IS_FAST_PARAMETERIZE) {
COPY_WRITE();
} else {
ParseResult *p = (ParseResult *)yyextra;
check_value(yylval);
yylloc->first_column = p->start_col_;
char *tmp_literal = p->tmp_literal_;
tmp_literal[yylval->node->str_len_] = '\0';
char *dup_value = NULL;
if (p->is_not_utf8_connection_) {
dup_value = parse_str_convert_utf8(p->charset_info_, tmp_literal, p->malloc_pool_, &(yylval->node->str_len_), &(p->extra_errno_));
check_identifier_convert_result(p->extra_errno_);
//fprintf(stderr, "parse identifier result, str=%s, str_len=%ld\n", node->str_value_, node->str_len_);
} else {
dup_value = parse_strndup(tmp_literal, yylval->node->str_len_ + 1, p->malloc_pool_);
}
check_value(dup_value);
yylval->node->str_value_ = dup_value;
setup_token_pos_info(yylval->node, yylloc->first_column, yylval->node->str_len_);
return NAME_OB;
}
}
<adq><<EOF>> {
yyerror(yylloc, yyextra, "unterminated backtick string\n");
return PARSER_SYNTAX_ERROR;
}
{btbegin} {
BEGIN(bt); /*fast parameterize don't handle connent in ``*/
if (IS_FAST_PARAMETERIZE) {