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Thread safe statements (#406)

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Previously, expressions and params were evaluated
during the planning phase. This change builds the query
plan without evaluating params and expressions
which are then evaluated only during the execution phase.
This commit is contained in:
Asdine El Hrychy
2021-06-04 10:56:23 +04:00
committed by GitHub
parent 7a98a2025f
commit 9918cd6f55
42 changed files with 946 additions and 795 deletions
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68
internal/sql/parser/create_test.go
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@@ -18,11 +18,11 @@ func TestParserCreateTable(t *testing.T) {
expected statement.Statement
errored bool
}{
{"Basic", "CREATE TABLE test", statement.CreateTableStmt{Info: database.TableInfo{TableName: "test"}}, false},
{"If not exists", "CREATE TABLE IF NOT EXISTS test", statement.CreateTableStmt{Info: database.TableInfo{TableName: "test"}, IfNotExists: true}, false},
{"Path only", "CREATE TABLE test(a)", statement.CreateTableStmt{}, true},
{"Basic", "CREATE TABLE test", &statement.CreateTableStmt{Info: database.TableInfo{TableName: "test"}}, false},
{"If not exists", "CREATE TABLE IF NOT EXISTS test", &statement.CreateTableStmt{Info: database.TableInfo{TableName: "test"}, IfNotExists: true}, false},
{"Path only", "CREATE TABLE test(a)", &statement.CreateTableStmt{}, true},
{"With primary key", "CREATE TABLE test(foo INTEGER PRIMARY KEY)",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -31,9 +31,9 @@ func TestParserCreateTable(t *testing.T) {
},
}, false},
{"With primary key twice", "CREATE TABLE test(foo PRIMARY KEY PRIMARY KEY)",
statement.CreateTableStmt{}, true},
&statement.CreateTableStmt{}, true},
{"With type", "CREATE TABLE test(foo INTEGER)",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -42,7 +42,7 @@ func TestParserCreateTable(t *testing.T) {
},
}, false},
{"With not null", "CREATE TABLE test(foo NOT NULL)",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -51,7 +51,7 @@ func TestParserCreateTable(t *testing.T) {
},
}, false},
{"With default", "CREATE TABLE test(foo DEFAULT \"10\")",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -60,7 +60,7 @@ func TestParserCreateTable(t *testing.T) {
},
}, false},
{"With unique", "CREATE TABLE test(foo UNIQUE)",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -69,13 +69,13 @@ func TestParserCreateTable(t *testing.T) {
},
}, false},
{"With default twice", "CREATE TABLE test(foo DEFAULT 10 DEFAULT 10)",
statement.CreateTableStmt{}, true},
&statement.CreateTableStmt{}, true},
{"With not null twice", "CREATE TABLE test(foo NOT NULL NOT NULL)",
statement.CreateTableStmt{}, true},
&statement.CreateTableStmt{}, true},
{"With unique twice", "CREATE TABLE test(foo UNIQUE UNIQUE)",
statement.CreateTableStmt{}, true},
&statement.CreateTableStmt{}, true},
{"With type and not null", "CREATE TABLE test(foo INTEGER NOT NULL)",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -84,7 +84,7 @@ func TestParserCreateTable(t *testing.T) {
},
}, false},
{"With not null and primary key", "CREATE TABLE test(foo INTEGER NOT NULL PRIMARY KEY)",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -93,7 +93,7 @@ func TestParserCreateTable(t *testing.T) {
},
}, false},
{"With primary key and not null", "CREATE TABLE test(foo INTEGER PRIMARY KEY NOT NULL)",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -102,7 +102,7 @@ func TestParserCreateTable(t *testing.T) {
},
}, false},
{"With multiple constraints", "CREATE TABLE test(foo INTEGER PRIMARY KEY, bar INTEGER NOT NULL, baz[4][1].bat TEXT)",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -113,7 +113,7 @@ func TestParserCreateTable(t *testing.T) {
},
}, false},
{"With table constraints / PK on defined field", "CREATE TABLE test(foo INTEGER, bar NOT NULL, PRIMARY KEY (foo))",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -123,7 +123,7 @@ func TestParserCreateTable(t *testing.T) {
},
}, false},
{"With table constraints / PK on undefined field", "CREATE TABLE test(foo INTEGER, PRIMARY KEY (bar))",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -136,7 +136,7 @@ func TestParserCreateTable(t *testing.T) {
{"With table constraints / duplicate pk", "CREATE TABLE test(foo INTEGER PRIMARY KEY, PRIMARY KEY (bar))", nil, true},
{"With table constraints / duplicate pk on same path", "CREATE TABLE test(foo INTEGER PRIMARY KEY, PRIMARY KEY (foo))", nil, true},
{"With table constraints / UNIQUE on defined field", "CREATE TABLE test(foo INTEGER, bar NOT NULL, UNIQUE (foo))",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -146,7 +146,7 @@ func TestParserCreateTable(t *testing.T) {
},
}, false},
{"With table constraints / UNIQUE on undefined field", "CREATE TABLE test(foo INTEGER, UNIQUE (bar))",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -156,7 +156,7 @@ func TestParserCreateTable(t *testing.T) {
},
}, false},
{"With table constraints / UNIQUE twice", "CREATE TABLE test(foo INTEGER UNIQUE, UNIQUE (foo))",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -166,10 +166,10 @@ func TestParserCreateTable(t *testing.T) {
}, false},
{"With table constraints / duplicate pk on same path", "CREATE TABLE test(foo INTEGER PRIMARY KEY, PRIMARY KEY (foo))", nil, true},
{"With multiple primary keys", "CREATE TABLE test(foo PRIMARY KEY, bar PRIMARY KEY)",
statement.CreateTableStmt{}, true},
&statement.CreateTableStmt{}, true},
{"With all supported fixed size data types",
"CREATE TABLE test(d double, b bool)",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -180,7 +180,7 @@ func TestParserCreateTable(t *testing.T) {
}, false},
{"With all supported variable size data types",
"CREATE TABLE test(i integer, b blob, byt bytes, t text, a array, d document)",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -195,7 +195,7 @@ func TestParserCreateTable(t *testing.T) {
}, false},
{"With integer aliases types",
"CREATE TABLE test(i int, ii int2, ei int8, m mediumint, s smallint, b bigint, t tinyint)",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -211,7 +211,7 @@ func TestParserCreateTable(t *testing.T) {
}, false},
{"With double aliases types",
"CREATE TABLE test(dp DOUBLE PRECISION, r real, d double)",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -223,7 +223,7 @@ func TestParserCreateTable(t *testing.T) {
}, false},
{"With text aliases types",
"CREATE TABLE test(v VARCHAR(255), c CHARACTER(64), t TEXT)",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -235,7 +235,7 @@ func TestParserCreateTable(t *testing.T) {
}, false},
{"With errored text aliases types",
"CREATE TABLE test(v VARCHAR(1 IN [1, 2, 3] AND foo > 4) )",
statement.CreateTableStmt{
&statement.CreateTableStmt{
Info: database.TableInfo{
TableName: "test",
FieldConstraints: []*database.FieldConstraint{
@@ -266,23 +266,23 @@ func TestParserCreateIndex(t *testing.T) {
expected statement.Statement
errored bool
}{
{"Basic", "CREATE INDEX idx ON test (foo)", statement.CreateIndexStmt{
{"Basic", "CREATE INDEX idx ON test (foo)", &statement.CreateIndexStmt{
Info: database.IndexInfo{
IndexName: "idx", TableName: "test", Paths: []document.Path{document.Path(testutil.ParsePath(t, "foo"))},
}}, false},
{"If not exists", "CREATE INDEX IF NOT EXISTS idx ON test (foo.bar[1])", statement.CreateIndexStmt{
{"If not exists", "CREATE INDEX IF NOT EXISTS idx ON test (foo.bar[1])", &statement.CreateIndexStmt{
Info: database.IndexInfo{
IndexName: "idx", TableName: "test", Paths: []document.Path{document.Path(testutil.ParsePath(t, "foo.bar[1]"))},
}, IfNotExists: true}, false},
{"Unique", "CREATE UNIQUE INDEX IF NOT EXISTS idx ON test (foo[3].baz)", statement.CreateIndexStmt{
{"Unique", "CREATE UNIQUE INDEX IF NOT EXISTS idx ON test (foo[3].baz)", &statement.CreateIndexStmt{
Info: database.IndexInfo{
IndexName: "idx", TableName: "test", Paths: []document.Path{document.Path(testutil.ParsePath(t, "foo[3].baz"))}, Unique: true,
}, IfNotExists: true}, false},
{"No name", "CREATE UNIQUE INDEX ON test (foo[3].baz)", statement.CreateIndexStmt{
{"No name", "CREATE UNIQUE INDEX ON test (foo[3].baz)", &statement.CreateIndexStmt{
Info: database.IndexInfo{TableName: "test", Paths: []document.Path{document.Path(testutil.ParsePath(t, "foo[3].baz"))}, Unique: true}}, false},
{"No name with IF NOT EXISTS", "CREATE UNIQUE INDEX IF NOT EXISTS ON test (foo[3].baz)", nil, true},
{"More than 1 path", "CREATE INDEX idx ON test (foo, bar)",
statement.CreateIndexStmt(statement.CreateIndexStmt{
&statement.CreateIndexStmt{
Info: database.IndexInfo{
IndexName: "idx",
TableName: "test",
@@ -291,7 +291,7 @@ func TestParserCreateIndex(t *testing.T) {
document.Path(testutil.ParsePath(t, "bar")),
},
},
}),
},
false},
{"No fields", "CREATE INDEX idx ON test", nil, true},
}