124 lines
3.7 KiB
Go
124 lines
3.7 KiB
Go
package postgres
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import (
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"testing"
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)
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func TestJoinNilInputs(t *testing.T) {
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assertSerializeErr(t, table2.INNER_JOIN(nil, table1ColBool.EQ(table2ColBool)),
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"jet: right hand side of join operation is nil table")
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assertSerializeErr(t, table2.INNER_JOIN(table1, nil),
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"jet: join condition is nil")
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}
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func TestINNER_JOIN(t *testing.T) {
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assertSerialize(t, table1.
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INNER_JOIN(table2, table1ColInt.EQ(table2ColInt)),
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`db.table1
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INNER JOIN db.table2 ON (table1.col_int = table2.col_int)`)
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assertSerialize(t, table1.
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INNER_JOIN(table2, table1ColInt.EQ(table2ColInt)).
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INNER_JOIN(table3, table1ColInt.EQ(table3ColInt)),
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`db.table1
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INNER JOIN db.table2 ON (table1.col_int = table2.col_int)
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INNER JOIN db.table3 ON (table1.col_int = table3.col_int)`)
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assertSerialize(t, table1.
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INNER_JOIN(table2, table1ColInt.EQ(Int(1))).
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INNER_JOIN(table3, table1ColInt.EQ(Int(2))),
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`db.table1
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INNER JOIN db.table2 ON (table1.col_int = $1)
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INNER JOIN db.table3 ON (table1.col_int = $2)`, int64(1), int64(2))
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}
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func TestLEFT_JOIN(t *testing.T) {
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assertSerialize(t, table1.
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LEFT_JOIN(table2, table1ColInt.EQ(table2ColInt)),
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`db.table1
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LEFT JOIN db.table2 ON (table1.col_int = table2.col_int)`)
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assertSerialize(t, table1.
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LEFT_JOIN(table2, table1ColInt.EQ(table2ColInt)).
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LEFT_JOIN(table3, table1ColInt.EQ(table3ColInt)),
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`db.table1
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LEFT JOIN db.table2 ON (table1.col_int = table2.col_int)
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LEFT JOIN db.table3 ON (table1.col_int = table3.col_int)`)
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assertSerialize(t, table1.
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LEFT_JOIN(table2, table1ColInt.EQ(Int(1))).
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LEFT_JOIN(table3, table1ColInt.EQ(Int(2))),
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`db.table1
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LEFT JOIN db.table2 ON (table1.col_int = $1)
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LEFT JOIN db.table3 ON (table1.col_int = $2)`, int64(1), int64(2))
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}
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func TestRIGHT_JOIN(t *testing.T) {
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assertSerialize(t, table1.
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RIGHT_JOIN(table2, table1ColInt.EQ(table2ColInt)),
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`db.table1
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RIGHT JOIN db.table2 ON (table1.col_int = table2.col_int)`)
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assertSerialize(t, table1.
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RIGHT_JOIN(table2, table1ColInt.EQ(table2ColInt)).
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RIGHT_JOIN(table3, table1ColInt.EQ(table3ColInt)),
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`db.table1
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RIGHT JOIN db.table2 ON (table1.col_int = table2.col_int)
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RIGHT JOIN db.table3 ON (table1.col_int = table3.col_int)`)
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assertSerialize(t, table1.
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RIGHT_JOIN(table2, table1ColInt.EQ(Int(1))).
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RIGHT_JOIN(table3, table1ColInt.EQ(Int(2))),
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`db.table1
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RIGHT JOIN db.table2 ON (table1.col_int = $1)
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RIGHT JOIN db.table3 ON (table1.col_int = $2)`, int64(1), int64(2))
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}
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func TestFULL_JOIN(t *testing.T) {
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assertSerialize(t, table1.
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FULL_JOIN(table2, table1ColInt.EQ(table2ColInt)),
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`db.table1
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FULL JOIN db.table2 ON (table1.col_int = table2.col_int)`)
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assertSerialize(t, table1.
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FULL_JOIN(table2, table1ColInt.EQ(table2ColInt)).
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FULL_JOIN(table3, table1ColInt.EQ(table3ColInt)),
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`db.table1
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FULL JOIN db.table2 ON (table1.col_int = table2.col_int)
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FULL JOIN db.table3 ON (table1.col_int = table3.col_int)`)
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assertSerialize(t, table1.
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FULL_JOIN(table2, table1ColInt.EQ(Int(1))).
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FULL_JOIN(table3, table1ColInt.EQ(Int(2))),
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`db.table1
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FULL JOIN db.table2 ON (table1.col_int = $1)
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FULL JOIN db.table3 ON (table1.col_int = $2)`, int64(1), int64(2))
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}
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func TestCROSS_JOIN(t *testing.T) {
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assertSerialize(t, table1.
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CROSS_JOIN(table2),
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`db.table1
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CROSS JOIN db.table2`)
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assertSerialize(t, table1.
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CROSS_JOIN(table2).
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CROSS_JOIN(table3),
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`db.table1
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CROSS JOIN db.table2
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CROSS JOIN db.table3`)
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}
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func TestImplicitCROSS_JOIN(t *testing.T) {
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assertDebugStatementSql(t,
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SELECT(table1Col1, table2Col3).
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FROM(table1, table2),
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`
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SELECT table1.col1 AS "table1.col1",
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table2.col3 AS "table2.col3"
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FROM db.table1,
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db.table2;
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`)
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assertDebugStatementSql(t,
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SELECT(
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table1Col1, table2Col3,
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).FROM(table1, table2, table3),
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`
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SELECT table1.col1 AS "table1.col1",
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table2.col3 AS "table2.col3"
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FROM db.table1,
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db.table2,
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db.table3;
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`)
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}
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