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[FEAT MERGE]4_1_sql_feature

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Co-authored-by: leslieyuchen <leslieyuchen@gmail.com>
Co-authored-by: Charles0429 <xiezhenjiang@gmail.com>
Co-authored-by: raywill <hustos@gmail.com>
This commit is contained in:
obdev
2023-01-28 16:01:26 +08:00
committed by ob-robot
parent 3080f2b66f
commit 2d19a9d8f5
846 changed files with 161957 additions and 116661 deletions
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42
src/sql/ob_select_stmt_printer.h
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@ -24,12 +24,7 @@ namespace sql
class ObSelectStmtPrinter : public ObDMLStmtPrinter {
public:
ObSelectStmtPrinter() :
ObDMLStmtPrinter(),
column_list_(NULL),
is_set_subquery_(false),
is_generated_table_(false),
force_col_alias_(false) {}
ObSelectStmtPrinter()=delete;
ObSelectStmtPrinter(char *buf,
int64_t buf_len,
@ -37,15 +32,11 @@ public:
const ObSelectStmt *stmt,
ObSchemaGetterGuard *schema_guard,
common::ObObjPrintParams print_params,
common::ObIArray<common::ObString> *column_list,
bool is_set_subquery,
bool is_generated_table = false,
const bool force_col_alias = false)
: ObDMLStmtPrinter(buf, buf_len, pos, stmt, schema_guard, print_params),
column_list_(column_list),
is_set_subquery_(is_set_subquery),
is_generated_table_(is_generated_table),
force_col_alias_(force_col_alias) {}
column_list_(NULL),
force_col_alias_(force_col_alias)
{}
ObSelectStmtPrinter(char *buf,
int64_t buf_len,
@ -54,31 +45,30 @@ public:
ObSchemaGetterGuard *schema_guard,
common::ObObjPrintParams print_params,
const ParamStore *param_store,
common::ObIArray<common::ObString> *column_list,
bool is_set_subquery,
bool is_generated_table = false,
const bool force_col_alias = false)
: ObDMLStmtPrinter(buf, buf_len, pos, stmt, schema_guard, print_params, param_store),
column_list_(column_list),
is_set_subquery_(is_set_subquery),
is_generated_table_(is_generated_table),
force_col_alias_(force_col_alias) {}
column_list_(NULL),
force_col_alias_(force_col_alias)
{}
virtual ~ObSelectStmtPrinter() {}
void init(char *buf,
int64_t buf_len,
int64_t *pos,
ObSelectStmt *stmt,
common::ObIArray<common::ObString> *column_list,
bool is_set_subquery);
common::ObIArray<common::ObString> *column_list);
virtual int do_print();
static int remove_double_quotation_for_string(ObString &alias_string, ObIAllocator &allocator);
void set_column_list(common::ObIArray<common::ObString> *column_list) { column_list_ = column_list; }
bool need_print_alias() const { return force_col_alias_ || (is_root_stmt() && print_params_.print_origin_stmt_); }
private:
int print();
int print_unpivot();
int print_set_op_stmt();
int print_recursive_union_stmt();
int print_basic_stmt();
int print_select();
@ -90,12 +80,11 @@ private:
int print_for_update();
///////cte related functions
int print_with();
int print_cte_define_title(TableItem* cte_table);
int print_search_and_cycle(TableItem* cte_table);
int print_multi_rollup_items(const common::ObIArray<ObMultiRollupItem> &rollup_items);
int print_with_check_option();
int find_recursive_cte_table(const ObSelectStmt* stmt, TableItem* &table);
///////end of functions
// disallow copy
DISALLOW_COPY_AND_ASSIGN(ObSelectStmtPrinter);
@ -103,9 +92,6 @@ private:
// data members
// create view v(column_list) as...
common::ObIArray<common::ObString> *column_list_;
// tell printer whether current stmt is a set left/right subquery
bool is_set_subquery_;
bool is_generated_table_;
bool force_col_alias_;
};