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remove sample data

pull/7185/head
chrislu 1 month ago
parent
f776a49322
commit
8e15fdf2c7
1 changed files with 3 additions and 160 deletions
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  1. 163
      weed/query/engine/engine.go

163
weed/query/engine/engine.go
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@ -832,164 +832,6 @@ func (e *SQLEngine) executeSelectStatement(ctx context.Context, stmt *sqlparser.
return hybridScanner.ConvertToSQLResult(results, columns), nil
}
// executeSelectWithSampleData provides enhanced sample data that simulates both live and archived messages
func (e *SQLEngine) executeSelectWithSampleData(ctx context.Context, stmt *sqlparser.Select, database, tableName string) (*QueryResult, error) {
// Create a sample HybridMessageScanner to simulate both data sources
now := time.Now().UnixNano()
var sampleResults []HybridScanResult
switch tableName {
case "user_events":
sampleResults = []HybridScanResult{
// Live log data (recent)
{
Values: map[string]*schema_pb.Value{
"user_id": {Kind: &schema_pb.Value_Int32Value{Int32Value: 1003}},
"event_type": {Kind: &schema_pb.Value_StringValue{StringValue: "live_login"}},
"data": {Kind: &schema_pb.Value_StringValue{StringValue: `{"ip": "10.0.0.1", "live": true}`}},
},
Timestamp: now - 300000000000, // 5 minutes ago
Key: []byte("live-1003"),
Source: "live_log",
},
{
Values: map[string]*schema_pb.Value{
"user_id": {Kind: &schema_pb.Value_Int32Value{Int32Value: 1004}},
"event_type": {Kind: &schema_pb.Value_StringValue{StringValue: "live_click"}},
"data": {Kind: &schema_pb.Value_StringValue{StringValue: `{"button": "submit", "live": true}`}},
},
Timestamp: now - 120000000000, // 2 minutes ago
Key: []byte("live-1004"),
Source: "live_log",
},
// Archived Parquet data (older)
{
Values: map[string]*schema_pb.Value{
"user_id": {Kind: &schema_pb.Value_Int32Value{Int32Value: 1001}},
"event_type": {Kind: &schema_pb.Value_StringValue{StringValue: "archived_login"}},
"data": {Kind: &schema_pb.Value_StringValue{StringValue: `{"ip": "192.168.1.1", "archived": true}`}},
},
Timestamp: now - 3600000000000, // 1 hour ago
Key: []byte("archived-1001"),
Source: "parquet_archive",
},
{
Values: map[string]*schema_pb.Value{
"user_id": {Kind: &schema_pb.Value_Int32Value{Int32Value: 1002}},
"event_type": {Kind: &schema_pb.Value_StringValue{StringValue: "archived_logout"}},
"data": {Kind: &schema_pb.Value_StringValue{StringValue: `{"duration": 1800, "archived": true}`}},
},
Timestamp: now - 1800000000000, // 30 minutes ago
Key: []byte("archived-1002"),
Source: "parquet_archive",
},
}
case "system_logs":
sampleResults = []HybridScanResult{
// Live system logs
{
Values: map[string]*schema_pb.Value{
"level": {Kind: &schema_pb.Value_StringValue{StringValue: "INFO"}},
"message": {Kind: &schema_pb.Value_StringValue{StringValue: "Live service heartbeat"}},
"service": {Kind: &schema_pb.Value_StringValue{StringValue: "api-gateway"}},
},
Timestamp: now - 60000000000, // 1 minute ago
Key: []byte("live-log-001"),
Source: "live_log",
},
// Archived system logs
{
Values: map[string]*schema_pb.Value{
"level": {Kind: &schema_pb.Value_StringValue{StringValue: "ERROR"}},
"message": {Kind: &schema_pb.Value_StringValue{StringValue: "Database connection timeout"}},
"service": {Kind: &schema_pb.Value_StringValue{StringValue: "user-service"}},
},
Timestamp: now - 7200000000000, // 2 hours ago
Key: []byte("archived-error-001"),
Source: "parquet_archive",
},
}
default:
return &QueryResult{
Error: fmt.Errorf("table '%s.%s' not found", database, tableName),
}, fmt.Errorf("table '%s.%s' not found", database, tableName)
}
// Apply basic LIMIT if specified
if stmt.Limit != nil && stmt.Limit.Rowcount != nil {
if limitExpr, ok := stmt.Limit.Rowcount.(*sqlparser.SQLVal); ok && limitExpr.Type == sqlparser.IntVal {
if limit64, err := strconv.ParseInt(string(limitExpr.Val), 10, 64); err == nil {
if limit64 > math.MaxInt32 || limit64 < 0 {
return &QueryResult{
Error: fmt.Errorf("LIMIT value %d is out of valid range", limit64),
}, fmt.Errorf("LIMIT value %d is out of valid range", limit64)
}
limit := int(limit64)
if limit > 0 && limit < len(sampleResults) {
sampleResults = sampleResults[:limit]
}
}
}
}
// Convert to SQL result format using hybrid scanner logic
return convertHybridResultsToSQL(sampleResults, nil), nil
}
// convertHybridResultsToSQL converts HybridScanResults to SQL format (helper function)
func convertHybridResultsToSQL(results []HybridScanResult, columns []string) *QueryResult {
if len(results) == 0 {
return &QueryResult{
Columns: columns,
Rows: [][]sqltypes.Value{},
}
}
// Determine columns if not specified
if len(columns) == 0 {
columnSet := make(map[string]bool)
for _, result := range results {
for columnName := range result.Values {
columnSet[columnName] = true
}
}
columns = make([]string, 0, len(columnSet))
for columnName := range columnSet {
columns = append(columns, columnName)
}
}
// Convert to SQL rows
rows := make([][]sqltypes.Value, len(results))
for i, result := range results {
row := make([]sqltypes.Value, len(columns))
for j, columnName := range columns {
switch columnName {
case "_source":
row[j] = sqltypes.NewVarChar(result.Source)
case "_timestamp_ns":
row[j] = sqltypes.NewInt64(result.Timestamp)
case "_key":
row[j] = sqltypes.NewVarBinary(string(result.Key))
default:
if value, exists := result.Values[columnName]; exists {
row[j] = convertSchemaValueToSQL(value)
} else {
row[j] = sqltypes.NULL
}
}
}
rows[i] = row
}
return &QueryResult{
Columns: columns,
Rows: rows,
}
}
// extractTimeFilters extracts time range filters from WHERE clause for optimization
// This allows push-down of time-based queries to improve scan performance
// Returns (startTimeNs, stopTimeNs) where 0 means unbounded
@ -1122,12 +964,13 @@ func (e *SQLEngine) getColumnName(expr sqlparser.Expr) string {
func (e *SQLEngine) extractTimeValue(expr sqlparser.Expr) int64 {
switch exprType := expr.(type) {
case *sqlparser.SQLVal:
if exprType.Type == sqlparser.IntVal {
switch exprType.Type {
case sqlparser.IntVal:
// Parse as nanosecond timestamp
if val, err := strconv.ParseInt(string(exprType.Val), 10, 64); err == nil {
return val
}
} else if exprType.Type == sqlparser.StrVal {
case sqlparser.StrVal:
// Parse as ISO date or other string formats
timeStr := string(exprType.Val)

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