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CREATE TABLE t1 (
pk INT NOT NULL AUTO_INCREMENT,
col_int1 INT,
col_int2 INT,
col_int_not_null INT NOT NULL,
PRIMARY KEY (pk));
INSERT INTO t1 (col_int1, col_int2, col_int_not_null) VALUES (1,1,1);
INSERT INTO t1 (col_int1, col_int2, col_int_not_null) VALUES (NULL,1,1);
INSERT INTO t1 (col_int1, col_int2, col_int_not_null) VALUES (2,1,3);
SET GLOBAL transaction_log_truncate_debug= true;
BEGIN;
UPDATE t1 SET col_int_not_null = col_int1 WHERE col_int2 = 1;
ERROR 23000: Column 'col_int_not_null' cannot be null
INSERT INTO t1 (col_int1, col_int2, col_int_not_null) VALUES (5,5,5);
COMMIT;
We should have a Transaction with a single insert Statement
SELECT PRINT_TRANSACTION_MESSAGE('transaction.log',(select max(entry_offset) from DATA_DICTIONARY.TRANSACTION_LOG_TRANSACTIONS));
PRINT_TRANSACTION_MESSAGE('transaction.log',(select max(entry_offset) from DATA_DICTIONARY.TRANSACTION_LOG_TRANSACTIONS))
transaction_context {
server_id: 1
TRANSACTION_ID
START_TIMESTAMP
END_TIMESTAMP
}
statement {
type: INSERT
START_TIMESTAMP
END_TIMESTAMP
insert_header {
table_metadata {
schema_name: "test"
table_name: "t1"
}
field_metadata {
type: INTEGER
name: "pk"
}
field_metadata {
type: INTEGER
name: "col_int1"
}
field_metadata {
type: INTEGER
name: "col_int2"
}
field_metadata {
type: INTEGER
name: "col_int_not_null"
}
}
insert_data {
segment_id: 1
end_segment: true
record {
insert_value: "4"
insert_value: "5"
insert_value: "5"
insert_value: "5"
is_null: false
is_null: false
is_null: false
is_null: false
}
}
}
segment_id: 1
end_segment: true
BEGIN;
UPDATE t1 SET col_int1 = (col_int1 + 1) WHERE col_int2 = 1;
UPDATE t1 SET col_int_not_null = col_int1 WHERE col_int2 = 1;
ERROR 23000: Column 'col_int_not_null' cannot be null
INSERT INTO t1 (col_int1, col_int2, col_int_not_null) VALUES (6,6,6);
COMMIT;
We should have a Transaction with 1 update and 1 insert Statement
SELECT PRINT_TRANSACTION_MESSAGE('transaction.log',(select max(entry_offset) from DATA_DICTIONARY.TRANSACTION_LOG_TRANSACTIONS));
PRINT_TRANSACTION_MESSAGE('transaction.log',(select max(entry_offset) from DATA_DICTIONARY.TRANSACTION_LOG_TRANSACTIONS))
transaction_context {
server_id: 1
TRANSACTION_ID
START_TIMESTAMP
END_TIMESTAMP
}
statement {
type: UPDATE
START_TIMESTAMP
END_TIMESTAMP
update_header {
table_metadata {
schema_name: "test"
table_name: "t1"
}
key_field_metadata {
type: INTEGER
name: "pk"
}
set_field_metadata {
type: INTEGER
name: "col_int1"
}
}
update_data {
segment_id: 1
end_segment: true
record {
key_value: "1"
after_value: "2"
is_null: false
}
record {
key_value: "3"
after_value: "3"
is_null: false
}
}
}
statement {
type: INSERT
START_TIMESTAMP
END_TIMESTAMP
insert_header {
table_metadata {
schema_name: "test"
table_name: "t1"
}
field_metadata {
type: INTEGER
name: "pk"
}
field_metadata {
type: INTEGER
name: "col_int1"
}
field_metadata {
type: INTEGER
name: "col_int2"
}
field_metadata {
type: INTEGER
name: "col_int_not_null"
}
}
insert_data {
segment_id: 1
end_segment: true
record {
insert_value: "5"
insert_value: "6"
insert_value: "6"
insert_value: "6"
is_null: false
is_null: false
is_null: false
is_null: false
}
}
}
segment_id: 1
end_segment: true
CREATE TABLE t2 (pk INT NOT NULL AUTO_INCREMENT PRIMARY KEY, a INT);
INSERT INTO t2 (a) VALUES (1),(2), (NULL);
BEGIN;
INSERT INTO t1 (col_int_not_null) SELECT a FROM t2;
ERROR 23000: Column 'col_int_not_null' cannot be null
INSERT INTO t1 (col_int1, col_int2, col_int_not_null) VALUES (7,7,7);
COMMIT;
We should have a Transaction with 1 insert Statement
SELECT PRINT_TRANSACTION_MESSAGE('transaction.log',(select max(entry_offset) from DATA_DICTIONARY.TRANSACTION_LOG_TRANSACTIONS));
PRINT_TRANSACTION_MESSAGE('transaction.log',(select max(entry_offset) from DATA_DICTIONARY.TRANSACTION_LOG_TRANSACTIONS))
transaction_context {
server_id: 1
TRANSACTION_ID
START_TIMESTAMP
END_TIMESTAMP
}
statement {
type: INSERT
START_TIMESTAMP
END_TIMESTAMP
insert_header {
table_metadata {
schema_name: "test"
table_name: "t1"
}
field_metadata {
type: INTEGER
name: "pk"
}
field_metadata {
type: INTEGER
name: "col_int1"
}
field_metadata {
type: INTEGER
name: "col_int2"
}
field_metadata {
type: INTEGER
name: "col_int_not_null"
}
}
insert_data {
segment_id: 1
end_segment: true
record {
insert_value: "8"
insert_value: "7"
insert_value: "7"
insert_value: "7"
is_null: false
is_null: false
is_null: false
is_null: false
}
}
}
segment_id: 1
end_segment: true
DROP TABLE t1;
DROP TABLE t2;
SET GLOBAL transaction_log_truncate_debug= true;
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