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[FEAT MERGE] implement dynamic sampling

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This commit is contained in:
wangt1xiuyi
2023-04-27 12:15:28 +00:00
committed by ob-robot
parent 56f85c9c76
commit f745b47cbc
86 changed files with 6754 additions and 2282 deletions
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71
src/sql/resolver/expr/ob_raw_expr_printer.cpp
View File

@ -237,7 +237,29 @@ int ObRawExprPrinter::print(ObConstRawExpr *expr)
} else if (OB_NOT_NULL(param_store_) && T_QUESTIONMARK == expr->get_expr_type()) {
int64_t idx = expr->get_value().get_unknown();
CK (0 <= idx && idx < param_store_->count());
OZ (param_store_->at(idx).print_sql_literal(buf_, buf_len_, *pos_, print_params_));
if (OB_FAIL(ret)) {
} else if (param_store_->at(idx).is_datetime()) {
int32_t tmp_date = 0;
if (OB_FAIL(databuff_printf(buf_, buf_len_, *pos_, "%s '", LITERAL_PREFIX_DATE))) {
LOG_WARN("fail to print literal prefix", K(ret));
} else if (OB_FAIL(ObTimeConverter::datetime_to_date(param_store_->at(idx).get_datetime(), NULL, tmp_date))) {
LOG_WARN("fail to datetime_to_date", "datetime", param_store_->at(idx).get_datetime(), K(ret));
} else if (OB_FAIL(ObTimeConverter::date_to_str(tmp_date, buf_, buf_len_, *pos_))) {
LOG_WARN("fail to date_to_str", K(tmp_date), K(ret));
} else if (OB_FAIL(databuff_printf(buf_, buf_len_, *pos_, "'"))) {
LOG_WARN("fail to print single quote", K(ret));
}
} else {
//timestamp time zone type need print prefix.
if (param_store_->at(idx).is_timestamp_tz()) {
DATA_PRINTF(" timestamp ");
}
if (OB_SUCC(ret)) {
if (OB_FAIL(param_store_->at(idx).print_sql_literal(buf_, buf_len_, *pos_, print_params_))) {
LOG_WARN("failed to print sql literal", K(ret));
}
}
}
} else if (expr->get_literal_prefix().empty()) {
//for empty string in Oracle mode , we should use char/nchar-type obj to print
if (expr->get_value().is_null() && (ObCharType == expr->get_expr_obj_meta().get_type()
@ -457,14 +479,18 @@ int ObRawExprPrinter::print(ObOpRawExpr *expr)
SET_SYMBOL_IF_EMPTY("prior");
case T_OP_CONNECT_BY_ROOT :
SET_SYMBOL_IF_EMPTY("connect_by_root");
case T_OP_NOT:
SET_SYMBOL_IF_EMPTY("not");
case T_OP_NOT_EXISTS:
SET_SYMBOL_IF_EMPTY("not exists");
case T_OP_BIT_NEG:
SET_SYMBOL_IF_EMPTY("~");
case T_OP_EXISTS: {
case T_OP_EXISTS:
SET_SYMBOL_IF_EMPTY("exists");
case T_OP_NOT: {
if (lib::is_mysql_mode()) {
SET_SYMBOL_IF_EMPTY("(not");
} else {
SET_SYMBOL_IF_EMPTY("not");
}
if (1 != expr->get_param_count()) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("expr param count should be equal 1 ", K(ret), K(expr->get_param_count()));
@ -474,6 +500,9 @@ int ObRawExprPrinter::print(ObOpRawExpr *expr)
PRINT_EXPR(expr->get_param_expr(0));
DATA_PRINTF(")");
}
if (type == T_OP_NOT && lib::is_mysql_mode()) {
DATA_PRINTF(")");
}
break;
}
case T_OP_NEG: {
@ -572,9 +601,9 @@ int ObRawExprPrinter::print(ObOpRawExpr *expr)
}
case T_OP_BIT_AND:
SET_SYMBOL_IF_EMPTY("&");
case T_OP_REGEXP: {
case T_OP_REGEXP:
SET_SYMBOL_IF_EMPTY("regexp");
case T_OP_CNN:
case T_OP_CNN: {
SET_SYMBOL_IF_EMPTY("||");
//case T_OP_DATE_ADD: {
if (OB_UNLIKELY(2 != expr->get_param_count())) {
@ -3029,6 +3058,36 @@ int ObRawExprPrinter::print(ObSysFunRawExpr *expr)
}
break;
}
case T_FUN_SYS_REGEXP_LIKE: {
if (OB_UNLIKELY(expr->get_param_count() < 2 || expr->get_param_count() > 3)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("expr param count should be equal 2 or 3", "count", expr->get_param_count(), K(ret));
} else {
DATA_PRINTF("(");
DATA_PRINTF("%.*s(", LEN_AND_PTR(func_name));
PRINT_EXPR(expr->get_param_expr(0));
DATA_PRINTF(",");
PRINT_EXPR(expr->get_param_expr(1));
if (OB_SUCC(ret) && expr->get_param_count() == 3) {
DATA_PRINTF(",");
PRINT_EXPR(expr->get_param_expr(2));
}
DATA_PRINTF("))");
}
break;
}
case T_FUN_ENUM_TO_STR:
case T_FUN_SET_TO_STR:
case T_FUN_ENUM_TO_INNER_TYPE:
case T_FUN_SET_TO_INNER_TYPE: {
if (expr->get_param_count() < 2) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("param count should be greater than 1", K(ret), K(*expr));
} else {
PRINT_EXPR(expr->get_param_expr(1));
}
break;
}
default: {
// substr
// date, month

2
src/sql/resolver/expr/ob_raw_expr_util.cpp
View File

@ -3383,7 +3383,7 @@ int ObRawExprUtils::extract_table_ids_from_exprs(const common::ObIArray<ObRawExp
LOG_WARN("get unexpected null expr", K(ret));
} else if (OB_FAIL(extract_table_ids(expr, expr_table_ids))) {
LOG_WARN("failed to extract table ids", K(ret));
} else if (OB_FAIL(append(table_ids, expr_table_ids))) {
} else if (OB_FAIL(append_array_no_dup(table_ids, expr_table_ids))) {
LOG_WARN("failed to append table ids", K(ret));
}
}