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Add ROW constructor and IN/EXISTS operator.

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This commit is contained in:
zer0sub 2019-05-05 18:03:30 +02:00
parent 08e4392278
commit 3367df247c
18 changed files with 183 additions and 565 deletions
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36
sqlbuilder/bool_expression_test.go
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@ -17,7 +17,7 @@ func TestBinaryExpression(t *testing.T) {
assert.Equal(t, len(out.args), 2)
t.Run("alias", func(t *testing.T) {
alias := boolExpression.As("alias_eq_expression")
alias := boolExpression.AS("alias_eq_expression")
out := queryData{}
err := alias.SerializeForProjection(&out)
@ -57,7 +57,7 @@ func TestUnaryExpression(t *testing.T) {
assert.Equal(t, out.buff.String(), " NOT $1 = $2")
t.Run("alias", func(t *testing.T) {
alias := notExpression.As("alias_not_expression")
alias := notExpression.AS("alias_not_expression")
out := queryData{}
err := alias.SerializeForProjection(&out)
@ -107,3 +107,35 @@ func TestBoolLiteral(t *testing.T) {
assert.Equal(t, out.buff.String(), "$1")
}
func TestExists(t *testing.T) {
query := EXISTS(
table2.
SELECT(Literal(1)).
WHERE(table1Col1.Eq(table2Col3)),
)
out := queryData{}
err := query.Serialize(&out)
assert.NilError(t, err)
assert.Equal(t, out.buff.String(), "EXISTS (SELECT $1 FROM db.table2 WHERE table1.col1 = table2.col3)")
}
func TestIn(t *testing.T) {
query := Literal(1.11).IN(table1.SELECT(table1Col1))
out := queryData{}
err := query.Serialize(&out)
assert.NilError(t, err)
assert.Equal(t, out.buff.String(), `$1 IN (SELECT table1.col1 AS "table1.col1" FROM db.table1)`)
query2 := ROW(Literal(12), table1Col1).IN(table2.SELECT(table2Col3, table3Col1))
out = queryData{}
err = query2.Serialize(&out)
assert.NilError(t, err)
assert.Equal(t, out.buff.String(), `(ROW($1, table1.col1) IN (SELECT table2.col3 AS "table2.col3", table3.col1 AS "table3.col1" FROM db.table2))`)
}