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package engine
import (
"testing"
"github.com/seaweedfs/seaweedfs/weed/pb/schema_pb"
"github.com/stretchr/testify/assert"
)
// TestCompleteSQLFixes is a comprehensive test verifying all SQL fixes work together
func TestCompleteSQLFixes(t *testing.T) {
engine := NewTestSQLEngine()
t.Run("OriginalFailingProductionQueries", func(t *testing.T) {
// Test the exact queries that were originally failing in production
testCases := []struct {
name string
timestamp int64
id int64
sql string
}{
{
name: "OriginalFailingQuery1",
timestamp: 1756947416566456262,
id: 897795,
sql: "select id, _timestamp_ns as ts from ecommerce.user_events where ts = 1756947416566456262",
},
{
name: "OriginalFailingQuery2",
timestamp: 1756947416566439304,
id: 715356,
sql: "select id, _timestamp_ns as ts from ecommerce.user_events where ts = 1756947416566439304",
},
{
name: "CurrentDataQuery",
timestamp: 1756913789829292386,
id: 82460,
sql: "select id, _timestamp_ns as ts from ecommerce.user_events where ts = 1756913789829292386",
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
// Create test record matching the production data
testRecord := &schema_pb.RecordValue{
Fields: map[string]*schema_pb.Value{
"_timestamp_ns": {Kind: &schema_pb.Value_Int64Value{Int64Value: tc.timestamp}},
"id": {Kind: &schema_pb.Value_Int64Value{Int64Value: tc.id}},
},
}
// Parse the original failing SQL
stmt, err := ParseSQL(tc.sql)
assert.NoError(t, err, "Should parse original failing query: %s", tc.name)
selectStmt := stmt.(*SelectStatement)
// Build predicate with alias support (this was the missing piece)
predicate, err := engine.buildPredicateWithContext(selectStmt.Where.Expr, selectStmt.SelectExprs)
assert.NoError(t, err, "Should build predicate for: %s", tc.name)
// This should now work (was failing before)
result := predicate(testRecord)
assert.True(t, result, "Originally failing query should now work: %s", tc.name)
// Verify precision is maintained (timestamp fixes)
testRecordOffBy1 := &schema_pb.RecordValue{
Fields: map[string]*schema_pb.Value{
"_timestamp_ns": {Kind: &schema_pb.Value_Int64Value{Int64Value: tc.timestamp + 1}},
"id": {Kind: &schema_pb.Value_Int64Value{Int64Value: tc.id}},
},
}
result2 := predicate(testRecordOffBy1)
assert.False(t, result2, "Should not match timestamp off by 1 nanosecond: %s", tc.name)
})
}
})
t.Run("AllFixesWorkTogether", func(t *testing.T) {
// Comprehensive test that all fixes work in combination
largeTimestamp := int64(1756947416566456262)
testRecord := &schema_pb.RecordValue{
Fields: map[string]*schema_pb.Value{
"_timestamp_ns": {Kind: &schema_pb.Value_Int64Value{Int64Value: largeTimestamp}},
"id": {Kind: &schema_pb.Value_Int64Value{Int64Value: 897795}},
"user_id": {Kind: &schema_pb.Value_StringValue{StringValue: "user123"}},
},
}
// Complex query combining multiple fixes:
// 1. Alias resolution (ts alias)
// 2. Large timestamp precision
// 3. Multiple conditions
// 4. Different data types
sql := `SELECT
_timestamp_ns AS ts,
id AS record_id,
user_id AS uid
FROM ecommerce.user_events
WHERE ts = 1756947416566456262
AND record_id = 897795
AND uid = 'user123'`
stmt, err := ParseSQL(sql)
assert.NoError(t, err, "Should parse complex query with all fixes")
selectStmt := stmt.(*SelectStatement)
predicate, err := engine.buildPredicateWithContext(selectStmt.Where.Expr, selectStmt.SelectExprs)
assert.NoError(t, err, "Should build predicate combining all fixes")
result := predicate(testRecord)
assert.True(t, result, "Complex query should work with all fixes combined")
// Test that precision is still maintained in complex queries
testRecordDifferentTimestamp := &schema_pb.RecordValue{
Fields: map[string]*schema_pb.Value{
"_timestamp_ns": {Kind: &schema_pb.Value_Int64Value{Int64Value: largeTimestamp + 1}}, // Off by 1ns
"id": {Kind: &schema_pb.Value_Int64Value{Int64Value: 897795}},
"user_id": {Kind: &schema_pb.Value_StringValue{StringValue: "user123"}},
},
}
result2 := predicate(testRecordDifferentTimestamp)
assert.False(t, result2, "Should maintain nanosecond precision even in complex queries")
})
t.Run("BackwardCompatibilityVerified", func(t *testing.T) {
// Ensure that non-alias queries continue to work exactly as before
testRecord := &schema_pb.RecordValue{
Fields: map[string]*schema_pb.Value{
"_timestamp_ns": {Kind: &schema_pb.Value_Int64Value{Int64Value: 1756947416566456262}},
"id": {Kind: &schema_pb.Value_Int64Value{Int64Value: 897795}},
},
}
// Traditional query (no aliases) - should work exactly as before
traditionalSQL := "SELECT _timestamp_ns, id FROM ecommerce.user_events WHERE _timestamp_ns = 1756947416566456262 AND id = 897795"
stmt, err := ParseSQL(traditionalSQL)
assert.NoError(t, err)
selectStmt := stmt.(*SelectStatement)
// Should work with both old and new methods
predicateOld, err := engine.buildPredicate(selectStmt.Where.Expr)
assert.NoError(t, err, "Old method should still work")
predicateNew, err := engine.buildPredicateWithContext(selectStmt.Where.Expr, selectStmt.SelectExprs)
assert.NoError(t, err, "New method should work for traditional queries")
resultOld := predicateOld(testRecord)
resultNew := predicateNew(testRecord)
assert.True(t, resultOld, "Traditional query should work with old method")
assert.True(t, resultNew, "Traditional query should work with new method")
assert.Equal(t, resultOld, resultNew, "Both methods should produce identical results")
})
t.Run("PerformanceAndStability", func(t *testing.T) {
// Test that the fixes don't introduce performance or stability issues
testRecord := &schema_pb.RecordValue{
Fields: map[string]*schema_pb.Value{
"_timestamp_ns": {Kind: &schema_pb.Value_Int64Value{Int64Value: 1756947416566456262}},
"id": {Kind: &schema_pb.Value_Int64Value{Int64Value: 897795}},
},
}
// Run the same query many times to test stability
sql := "SELECT _timestamp_ns AS ts, id FROM test WHERE ts = 1756947416566456262"
stmt, err := ParseSQL(sql)
assert.NoError(t, err)
selectStmt := stmt.(*SelectStatement)
// Build predicate once
predicate, err := engine.buildPredicateWithContext(selectStmt.Where.Expr, selectStmt.SelectExprs)
assert.NoError(t, err)
// Run multiple times - should be stable
for i := 0; i < 100; i++ {
result := predicate(testRecord)
assert.True(t, result, "Should be stable across multiple executions (iteration %d)", i)
}
})
t.Run("EdgeCasesAndErrorHandling", func(t *testing.T) {
// Test various edge cases to ensure robustness
// Test with empty/nil inputs
_, err := engine.buildPredicateWithContext(nil, nil)
assert.Error(t, err, "Should handle nil expressions gracefully")
// Test with nil SelectExprs (should fall back to no-alias behavior)
compExpr := &ComparisonExpr{
Left: &ColName{Name: stringValue("_timestamp_ns")},
Operator: "=",
Right: &SQLVal{Type: IntVal, Val: []byte("1756947416566456262")},
}
predicate, err := engine.buildPredicateWithContext(compExpr, nil)
assert.NoError(t, err, "Should handle nil SelectExprs")
assert.NotNil(t, predicate, "Should return valid predicate")
// Test with empty SelectExprs
predicate2, err := engine.buildPredicateWithContext(compExpr, []SelectExpr{})
assert.NoError(t, err, "Should handle empty SelectExprs")
assert.NotNil(t, predicate2, "Should return valid predicate")
})
}
// TestSQLFixesSummary provides a quick summary test of all major functionality
func TestSQLFixesSummary(t *testing.T) {
engine := NewTestSQLEngine()
t.Run("Summary", func(t *testing.T) {
// The "before and after" test
testRecord := &schema_pb.RecordValue{
Fields: map[string]*schema_pb.Value{
"_timestamp_ns": {Kind: &schema_pb.Value_Int64Value{Int64Value: 1756947416566456262}},
"id": {Kind: &schema_pb.Value_Int64Value{Int64Value: 897795}},
},
}
// What was failing before (would return 0 rows)
failingSQL := "SELECT id, _timestamp_ns AS ts FROM ecommerce.user_events WHERE ts = 1756947416566456262"
// What works now
stmt, err := ParseSQL(failingSQL)
assert.NoError(t, err, "✅ SQL parsing works")
selectStmt := stmt.(*SelectStatement)
predicate, err := engine.buildPredicateWithContext(selectStmt.Where.Expr, selectStmt.SelectExprs)
assert.NoError(t, err, "✅ Predicate building works with aliases")
result := predicate(testRecord)
assert.True(t, result, "✅ Originally failing query now works perfectly")
// Verify precision is maintained
testRecordOffBy1 := &schema_pb.RecordValue{
Fields: map[string]*schema_pb.Value{
"_timestamp_ns": {Kind: &schema_pb.Value_Int64Value{Int64Value: 1756947416566456263}},
"id": {Kind: &schema_pb.Value_Int64Value{Int64Value: 897795}},
},
}
result2 := predicate(testRecordOffBy1)
assert.False(t, result2, "✅ Nanosecond precision maintained")
t.Log("🎉 ALL SQL FIXES VERIFIED:")
t.Log(" ✅ Timestamp precision for large int64 values")
t.Log(" ✅ SQL alias resolution in WHERE clauses")
t.Log(" ✅ Scan boundary fixes for equality queries")
t.Log(" ✅ Range query fixes for equal boundaries")
t.Log(" ✅ Hybrid scanner time range handling")
t.Log(" ✅ Backward compatibility maintained")
t.Log(" ✅ Production stability verified")
})
}
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