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	- Single_line_formatting_helper should not accidentally exit the DISABLED state. No JSON construct should be able to move the Single_line_formatting_helper from DISABLED state.
		
			
				
	
	
		
			58 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			58 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
drop table if exists t0,t1,t2;
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#
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# MDEV-7266: Assertion `!element_started' failed in Json_writer& Json_writer::add_member
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# 
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CREATE TABLE t1 (a INT) ENGINE=InnoDB;
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INSERT INTO t1 VALUES (1),(2);
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CREATE TABLE t2 (column_name_1 INT, column_name_2 VARCHAR(52)) ENGINE=InnoDB;
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INSERT INTO t2 VALUES (3,'United States');
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CREATE TABLE t3 (b INT, c VARCHAR(3), PRIMARY KEY (c,b)) ENGINE=InnoDB;
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INSERT INTO t3 VALUES (4,'USA'),(5,'CAN');
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EXPLAIN FORMAT=JSON SELECT * FROM t1 WHERE 0 < ALL ( 
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SELECT tbl_alias1.column_name_1 FROM t2 AS tbl_alias1, t3 AS tbl_alias2 
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WHERE tbl_alias2.b = tbl_alias1.column_name_1 AND tbl_alias2.c = tbl_alias1.column_name_2 
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);
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EXPLAIN
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{
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  "query_block": {
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    "select_id": 1,
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    "table": {
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      "table_name": "t1",
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      "access_type": "ALL",
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      "rows": 2,
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      "filtered": 100
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    },
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    "subqueries": [
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      {
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        "query_block": {
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          "select_id": 2,
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          "table": {
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            "table_name": "tbl_alias1",
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            "access_type": "ALL",
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            "rows": 1,
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            "filtered": 100,
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            "attached_condition": "((tbl_alias1.column_name_2 is not null) and (tbl_alias1.column_name_1 is not null))"
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          },
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          "table": {
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            "table_name": "tbl_alias2",
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            "access_type": "eq_ref",
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            "possible_keys": ["PRIMARY"],
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            "key": "PRIMARY",
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            "key_length": "9",
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            "used_key_parts": ["c", "b"],
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            "ref": [
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              "test.tbl_alias1.column_name_2",
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              "test.tbl_alias1.column_name_1"
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            ],
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            "rows": 1,
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            "filtered": 100,
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            "attached_condition": "(tbl_alias2.c = tbl_alias1.column_name_2)",
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            "using_index": true
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          }
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        }
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      }
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    ]
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  }
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}
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drop table t1,t2,t3;
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