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399 lines
20 KiB
399 lines
20 KiB
3 months ago
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package executor
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import (
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"testing"
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"time"
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"github.com/apache/arrow-go/v18/arrow"
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"github.com/apache/arrow-go/v18/arrow/memory"
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"github.com/stretchr/testify/require"
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"github.com/grafana/loki/v3/pkg/engine/internal/types"
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3 months ago
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"github.com/grafana/loki/v3/pkg/engine/internal/planner/physical"
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3 months ago
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"github.com/grafana/loki/v3/pkg/util/arrowtest"
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)
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func TestNewParsePipeline_logfmt(t *testing.T) {
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for _, tt := range []struct {
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name string
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schema *arrow.Schema
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input arrowtest.Rows
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requestedKeys []string
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expectedFields int
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expectedOutput arrowtest.Rows
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}{
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{
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name: "parse stage transforms records, adding columns parsed from message",
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schema: arrow.NewSchema([]arrow.Field{
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{Name: types.ColumnNameBuiltinMessage, Type: arrow.BinaryTypes.String},
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}, nil),
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input: arrowtest.Rows{
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{"message": "level=error status=500"},
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{"message": "level=info status=200"},
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{"message": "level=debug status=201"},
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},
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requestedKeys: []string{"level", "status"},
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expectedFields: 3, // 3 columns: message, level, status
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expectedOutput: arrowtest.Rows{
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{"message": "level=error status=500", "level": "error", "status": "500"},
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{"message": "level=info status=200", "level": "info", "status": "200"},
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{"message": "level=debug status=201", "level": "debug", "status": "201"},
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},
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},
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{
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name: "parse stage preserves existing columns",
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schema: arrow.NewSchema([]arrow.Field{
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{Name: types.ColumnNameBuiltinTimestamp, Type: arrow.FixedWidthTypes.Timestamp_ns},
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{Name: types.ColumnNameBuiltinMessage, Type: arrow.BinaryTypes.String},
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{Name: "app", Type: arrow.BinaryTypes.String},
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}, nil),
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input: arrowtest.Rows{
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{"timestamp": time.Unix(1, 0).UTC(), "message": "level=error status=500", "app": "frontend"},
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{"timestamp": time.Unix(2, 0).UTC(), "message": "level=info status=200", "app": "backend"},
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},
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requestedKeys: []string{"level", "status"},
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expectedFields: 5, // 5 columns: timestamp, message, app, level, status
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expectedOutput: arrowtest.Rows{
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{"timestamp": time.Unix(1, 0).UTC(), "message": "level=error status=500", "app": "frontend", "level": "error", "status": "500"},
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{"timestamp": time.Unix(2, 0).UTC(), "message": "level=info status=200", "app": "backend", "level": "info", "status": "200"},
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},
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},
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{
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name: "handle missing keys with NULL",
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schema: arrow.NewSchema([]arrow.Field{
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{Name: types.ColumnNameBuiltinMessage, Type: arrow.BinaryTypes.String},
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}, nil),
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input: arrowtest.Rows{
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{"message": "level=error"},
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{"message": "status=200"},
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{"message": "level=info"},
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},
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requestedKeys: []string{"level"},
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expectedFields: 2, // 2 columns: message, level
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expectedOutput: arrowtest.Rows{
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{"message": "level=error", "level": "error"},
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{"message": "status=200", "level": nil},
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{"message": "level=info", "level": "info"},
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},
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},
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{
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name: "handle errors with error columns",
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schema: arrow.NewSchema([]arrow.Field{
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{Name: types.ColumnNameBuiltinMessage, Type: arrow.BinaryTypes.String},
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}, nil),
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input: arrowtest.Rows{
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{"message": "level=info status=200"}, // No errors
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{"message": "status==value level=error"}, // Double equals error on requested key
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{"message": "level=\"unclosed status=500"}, // Unclosed quote error
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},
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requestedKeys: []string{"level", "status"},
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expectedFields: 5, // 5 columns: message, level, status, __error__, __error_details__
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expectedOutput: arrowtest.Rows{
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{"message": "level=info status=200", "level": "info", "status": "200", types.ColumnNameParsedError: nil, types.ColumnNameParsedErrorDetails: nil},
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{"message": "status==value level=error", "level": nil, "status": nil, types.ColumnNameParsedError: types.LogfmtParserErrorType, types.ColumnNameParsedErrorDetails: "logfmt syntax error at pos 8 : unexpected '='"},
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{"message": "level=\"unclosed status=500", "level": nil, "status": nil, types.ColumnNameParsedError: types.LogfmtParserErrorType, types.ColumnNameParsedErrorDetails: "logfmt syntax error at pos 27 : unterminated quoted value"},
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},
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},
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{
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name: "extract all keys when none requested",
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schema: arrow.NewSchema([]arrow.Field{
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{Name: types.ColumnNameBuiltinMessage, Type: arrow.BinaryTypes.String},
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}, nil),
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input: arrowtest.Rows{
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{"message": "level=info status=200 method=GET"},
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{"message": "level=warn code=304"},
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{"message": "level=error status=500 method=POST duration=123ms"},
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},
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requestedKeys: nil, // nil means extract all keys
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expectedFields: 6, // 6 columns: message, code, duration, level, method, status
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expectedOutput: arrowtest.Rows{
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{"message": "level=info status=200 method=GET", "code": nil, "duration": nil, "level": "info", "method": "GET", "status": "200"},
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{"message": "level=warn code=304", "code": "304", "duration": nil, "level": "warn", "method": nil, "status": nil},
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{"message": "level=error status=500 method=POST duration=123ms", "code": nil, "duration": "123ms", "level": "error", "method": "POST", "status": "500"},
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},
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},
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{
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name: "extract all keys with errors when none requested",
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schema: arrow.NewSchema([]arrow.Field{
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{Name: types.ColumnNameBuiltinMessage, Type: arrow.BinaryTypes.String},
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}, nil),
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input: arrowtest.Rows{
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{"message": "level=info status=200 method=GET"}, // Valid line
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{"message": "level==error code=500"}, // Double equals error
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{"message": "msg=\"unclosed duration=100ms code=400"}, // Unclosed quote error
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{"message": "level=debug method=POST"}, // Valid line
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},
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requestedKeys: nil, // nil means extract all keys
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expectedFields: 6, // 6 columns: message, level, method, status, __error__, __error_details__
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expectedOutput: arrowtest.Rows{
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{"message": "level=info status=200 method=GET", "level": "info", "method": "GET", "status": "200", types.ColumnNameParsedError: nil, types.ColumnNameParsedErrorDetails: nil},
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{"message": "level==error code=500", "level": nil, "method": nil, "status": nil, types.ColumnNameParsedError: types.LogfmtParserErrorType, types.ColumnNameParsedErrorDetails: "logfmt syntax error at pos 7 : unexpected '='"},
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{"message": "msg=\"unclosed duration=100ms code=400", "level": nil, "method": nil, "status": nil, types.ColumnNameParsedError: types.LogfmtParserErrorType, types.ColumnNameParsedErrorDetails: "logfmt syntax error at pos 38 : unterminated quoted value"},
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{"message": "level=debug method=POST", "level": "debug", "method": "POST", "status": nil, types.ColumnNameParsedError: nil, types.ColumnNameParsedErrorDetails: nil},
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},
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},
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} {
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t.Run(tt.name, func(t *testing.T) {
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alloc := memory.NewCheckedAllocator(memory.DefaultAllocator)
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defer alloc.AssertSize(t, 0) // Assert empty on test exit
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// Create input data with message column containing logfmt
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input := NewArrowtestPipeline(
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alloc,
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tt.schema,
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tt.input,
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)
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// Create ParseNode requesting "level" field
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parseNode := &physical.ParseNode{
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Kind: physical.ParserLogfmt,
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RequestedKeys: tt.requestedKeys,
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}
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pipeline := NewParsePipeline(parseNode, input, alloc)
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// Read first record
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ctx := t.Context()
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record, err := pipeline.Read(ctx)
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require.NoError(t, err)
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defer record.Release()
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// Verify the output has the expected number of fields
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outputSchema := record.Schema()
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require.Equal(t, tt.expectedFields, outputSchema.NumFields())
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// Convert record to rows for comparison
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actual, err := arrowtest.RecordRows(record)
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require.NoError(t, err)
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require.Equal(t, tt.expectedOutput, actual)
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})
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}
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}
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func TestNewParsePipeline_JSON(t *testing.T) {
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for _, tt := range []struct {
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name string
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schema *arrow.Schema
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input arrowtest.Rows
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requestedKeys []string
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expectedFields int
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expectedOutput arrowtest.Rows
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}{
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{
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name: "parse stage transforms records, adding columns parsed from message",
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schema: arrow.NewSchema([]arrow.Field{
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{Name: types.ColumnNameBuiltinMessage, Type: arrow.BinaryTypes.String},
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}, nil),
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input: arrowtest.Rows{
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{"message": `{"level": "error", "status": "500"}`},
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{"message": `{"level": "info", "status": "200"}`},
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{"message": `{"level": "debug", "status": "201"}`},
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},
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requestedKeys: []string{"level", "status"},
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expectedFields: 3, // 3 columns: message, level, status
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expectedOutput: arrowtest.Rows{
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{"message": `{"level": "error", "status": "500"}`, "level": "error", "status": "500"},
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{"message": `{"level": "info", "status": "200"}`, "level": "info", "status": "200"},
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{"message": `{"level": "debug", "status": "201"}`, "level": "debug", "status": "201"},
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},
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},
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{
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name: "parse stage preserves existing columns",
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schema: arrow.NewSchema([]arrow.Field{
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{Name: types.ColumnNameBuiltinTimestamp, Type: arrow.FixedWidthTypes.Timestamp_ns},
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{Name: types.ColumnNameBuiltinMessage, Type: arrow.BinaryTypes.String},
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{Name: "app", Type: arrow.BinaryTypes.String},
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}, nil),
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input: arrowtest.Rows{
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{"timestamp": time.Unix(1, 0).UTC(), "message": `{"level": "error", "status": "500"}`, "app": "frontend"},
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{"timestamp": time.Unix(2, 0).UTC(), "message": `{"level": "info", "status": "200"}`, "app": "backend"},
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},
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requestedKeys: []string{"level", "status"},
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expectedFields: 5, // 5 columns: timestamp, message, app, level, status
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expectedOutput: arrowtest.Rows{
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{"timestamp": time.Unix(1, 0).UTC(), "message": `{"level": "error", "status": "500"}`, "app": "frontend", "level": "error", "status": "500"},
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{"timestamp": time.Unix(2, 0).UTC(), "message": `{"level": "info", "status": "200"}`, "app": "backend", "level": "info", "status": "200"},
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},
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},
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{
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name: "handle missing keys with NULL",
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schema: arrow.NewSchema([]arrow.Field{
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{Name: types.ColumnNameBuiltinMessage, Type: arrow.BinaryTypes.String},
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}, nil),
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input: arrowtest.Rows{
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{"message": `{"level": "error"}`},
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{"message": `{"status": "200"}`},
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{"message": `{"level": "info"}`},
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},
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requestedKeys: []string{"level"},
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expectedFields: 2, // 2 columns: message, level
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expectedOutput: arrowtest.Rows{
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{"message": `{"level": "error"}`, "level": "error"},
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{"message": `{"status": "200"}`, "level": nil},
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{"message": `{"level": "info"}`, "level": "info"},
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},
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},
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{
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name: "handle errors with error columns",
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schema: arrow.NewSchema([]arrow.Field{
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{Name: types.ColumnNameBuiltinMessage, Type: arrow.BinaryTypes.String},
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}, nil),
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input: arrowtest.Rows{
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{"message": `{"level": "info", "status": "200"}`}, // No errors
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{"message": `{"level": "error", "status":`}, // Missing closing brace and value
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{"message": `{"level": "info", "status": 200}`}, // Number should be converted to string
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},
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requestedKeys: []string{"level", "status"},
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expectedFields: 5, // 5 columns: message, level, status, __error__, __error_details__ (due to malformed JSON)
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expectedOutput: arrowtest.Rows{
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{"message": `{"level": "info", "status": "200"}`, "level": "info", "status": "200", types.ColumnNameParsedError: nil, types.ColumnNameParsedErrorDetails: nil},
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{"message": `{"level": "error", "status":`, "level": nil, "status": nil, types.ColumnNameParsedError: "JSONParserErr", types.ColumnNameParsedErrorDetails: "Malformed JSON error"},
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{"message": `{"level": "info", "status": 200}`, "level": "info", "status": "200", types.ColumnNameParsedError: nil, types.ColumnNameParsedErrorDetails: nil},
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},
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},
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{
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name: "extract all keys when none requested",
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schema: arrow.NewSchema([]arrow.Field{
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{Name: types.ColumnNameBuiltinMessage, Type: arrow.BinaryTypes.String},
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}, nil),
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input: arrowtest.Rows{
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{"message": `{"level": "info", "status": "200", "method": "GET"}`},
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{"message": `{"level": "warn", "code": "304"}`},
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{"message": `{"level": "error", "status": "500", "method": "POST", "duration": "123ms"}`},
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},
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requestedKeys: nil, // nil means extract all keys
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expectedFields: 6, // 6 columns: message, code, duration, level, method, status
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expectedOutput: arrowtest.Rows{
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{"message": `{"level": "info", "status": "200", "method": "GET"}`, "code": nil, "duration": nil, "level": "info", "method": "GET", "status": "200"},
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{"message": `{"level": "warn", "code": "304"}`, "code": "304", "duration": nil, "level": "warn", "method": nil, "status": nil},
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{"message": `{"level": "error", "status": "500", "method": "POST", "duration": "123ms"}`, "code": nil, "duration": "123ms", "level": "error", "method": "POST", "status": "500"},
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},
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},
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{
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name: "extract all keys with errors when none requested",
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schema: arrow.NewSchema([]arrow.Field{
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{Name: types.ColumnNameBuiltinMessage, Type: arrow.BinaryTypes.String},
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}, nil),
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input: arrowtest.Rows{
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{"message": `{"level": "info", "status": "200", "method": "GET"}`}, // Valid line
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{"message": `{"level": "error", "code": 500}`}, // Also valid, adds code column
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{"message": `{"msg": "unclosed}`}, // Unclosed quote
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{"message": `{"level": "debug", "method": "POST"}`}, // Valid line
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},
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requestedKeys: nil, // nil means extract all keys
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expectedFields: 7, // 7 columns: message, level, method, status, code, __error__, __error_details__
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expectedOutput: arrowtest.Rows{
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{"message": `{"level": "info", "status": "200", "method": "GET"}`, "level": "info", "method": "GET", "status": "200", "code": nil, types.ColumnNameParsedError: nil, types.ColumnNameParsedErrorDetails: nil},
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{"message": `{"level": "error", "code": 500}`, "level": "error", "method": nil, "status": nil, "code": "500", types.ColumnNameParsedError: nil, types.ColumnNameParsedErrorDetails: nil},
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{"message": `{"msg": "unclosed}`, "level": nil, "method": nil, "status": nil, "code": nil, types.ColumnNameParsedError: "JSONParserErr", types.ColumnNameParsedErrorDetails: "Value is string, but can't find closing '\"' symbol"},
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{"message": `{"level": "debug", "method": "POST"}`, "level": "debug", "method": "POST", "status": nil, "code": nil, types.ColumnNameParsedError: nil, types.ColumnNameParsedErrorDetails: nil},
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},
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},
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{
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name: "handle nested JSON objects with underscore flattening",
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schema: arrow.NewSchema([]arrow.Field{
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{Name: types.ColumnNameBuiltinMessage, Type: arrow.BinaryTypes.String},
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}, nil),
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input: arrowtest.Rows{
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|
|
{"message": `{"user": {"name": "john", "details": {"age": "30", "city": "NYC"}}, "status": "active"}`},
|
||
|
|
{"message": `{"app": {"version": "1.0", "config": {"debug": "true"}}, "level": "info"}`},
|
||
|
|
{"message": `{"nested": {"deep": {"very": {"deep": "value"}}}}`},
|
||
|
|
},
|
||
|
|
requestedKeys: nil, // Extract all keys including nested ones
|
||
|
|
expectedFields: 9, // message, app_config_debug, app_version, level, nested_deep_very_deep, status, user_details_age, user_details_city, user_name
|
||
|
|
expectedOutput: arrowtest.Rows{
|
||
|
|
{"message": `{"user": {"name": "john", "details": {"age": "30", "city": "NYC"}}, "status": "active"}`, "app_config_debug": nil, "app_version": nil, "level": nil, "nested_deep_very_deep": nil, "status": "active", "user_details_age": "30", "user_details_city": "NYC", "user_name": "john"},
|
||
|
|
{"message": `{"app": {"version": "1.0", "config": {"debug": "true"}}, "level": "info"}`, "app_config_debug": "true", "app_version": "1.0", "level": "info", "nested_deep_very_deep": nil, "status": nil, "user_details_age": nil, "user_details_city": nil, "user_name": nil},
|
||
|
|
{"message": `{"nested": {"deep": {"very": {"deep": "value"}}}}`, "app_config_debug": nil, "app_version": nil, "level": nil, "nested_deep_very_deep": "value", "status": nil, "user_details_age": nil, "user_details_city": nil, "user_name": nil},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
name: "handle nested JSON with specific requested keys",
|
||
|
|
schema: arrow.NewSchema([]arrow.Field{
|
||
|
|
{Name: types.ColumnNameBuiltinMessage, Type: arrow.BinaryTypes.String},
|
||
|
|
}, nil),
|
||
|
|
input: arrowtest.Rows{
|
||
|
|
{"message": `{"user": {"name": "alice", "profile": {"email": "alice@example.com"}}, "level": "debug"}`},
|
||
|
|
{"message": `{"user": {"name": "bob"}, "level": "info"}`},
|
||
|
|
{"message": `{"level": "error", "error": {"code": "500", "message": "internal"}}`},
|
||
|
|
},
|
||
|
|
requestedKeys: []string{"user_name", "user_profile_email", "level"},
|
||
|
|
expectedFields: 4, // message, level, user_name, user_profile_email
|
||
|
|
expectedOutput: arrowtest.Rows{
|
||
|
|
{"message": `{"user": {"name": "alice", "profile": {"email": "alice@example.com"}}, "level": "debug"}`, "level": "debug", "user_name": "alice", "user_profile_email": "alice@example.com"},
|
||
|
|
{"message": `{"user": {"name": "bob"}, "level": "info"}`, "level": "info", "user_name": "bob", "user_profile_email": nil},
|
||
|
|
{"message": `{"level": "error", "error": {"code": "500", "message": "internal"}}`, "level": "error", "user_name": nil, "user_profile_email": nil},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
name: "accept JSON numbers as strings (v1 compatibility)",
|
||
|
|
schema: arrow.NewSchema([]arrow.Field{
|
||
|
|
{Name: types.ColumnNameBuiltinMessage, Type: arrow.BinaryTypes.String},
|
||
|
|
}, nil),
|
||
|
|
input: arrowtest.Rows{
|
||
|
|
{"message": `{"status": 200, "port": 8080, "timeout": 30.5, "retries": 0}`},
|
||
|
|
{"message": `{"level": "info", "pid": 12345, "memory": 256.8}`},
|
||
|
|
{"message": `{"score": -1, "version": 2.1, "enabled": true}`},
|
||
|
|
},
|
||
|
|
requestedKeys: []string{"status", "port", "timeout", "pid", "memory", "score", "version"},
|
||
|
|
expectedFields: 8, // message, memory, pid, port, score, status, timeout, version
|
||
|
|
expectedOutput: arrowtest.Rows{
|
||
|
|
{"message": `{"status": 200, "port": 8080, "timeout": 30.5, "retries": 0}`, "memory": nil, "pid": nil, "port": "8080", "score": nil, "status": "200", "timeout": "30.5", "version": nil},
|
||
|
|
{"message": `{"level": "info", "pid": 12345, "memory": 256.8}`, "memory": "256.8", "pid": "12345", "port": nil, "score": nil, "status": nil, "timeout": nil, "version": nil},
|
||
|
|
{"message": `{"score": -1, "version": 2.1, "enabled": true}`, "memory": nil, "pid": nil, "port": nil, "score": "-1", "status": nil, "timeout": nil, "version": "2.1"},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
name: "mixed nested objects and numbers",
|
||
|
|
schema: arrow.NewSchema([]arrow.Field{
|
||
|
|
{Name: types.ColumnNameBuiltinMessage, Type: arrow.BinaryTypes.String},
|
||
|
|
}, nil),
|
||
|
|
input: arrowtest.Rows{
|
||
|
|
{"message": `{"request": {"url": "/api/users", "method": "GET"}, "response": {"status": 200, "time": 45.2}}`},
|
||
|
|
{"message": `{"user": {"id": 123, "profile": {"age": 25}}, "active": true}`},
|
||
|
|
},
|
||
|
|
requestedKeys: nil, // Extract all keys
|
||
|
|
expectedFields: 8, // message, active, request_method, request_url, response_status, response_time, user_id, user_profile_age
|
||
|
|
expectedOutput: arrowtest.Rows{
|
||
|
|
{"message": `{"request": {"url": "/api/users", "method": "GET"}, "response": {"status": 200, "time": 45.2}}`, "active": nil, "request_method": "GET", "request_url": "/api/users", "response_status": "200", "response_time": "45.2", "user_id": nil, "user_profile_age": nil},
|
||
|
|
{"message": `{"user": {"id": 123, "profile": {"age": 25}}, "active": true}`, "active": "true", "request_method": nil, "request_url": nil, "response_status": nil, "response_time": nil, "user_id": "123", "user_profile_age": "25"},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
} {
|
||
|
|
t.Run(tt.name, func(t *testing.T) {
|
||
|
|
alloc := memory.NewCheckedAllocator(memory.DefaultAllocator)
|
||
|
|
defer alloc.AssertSize(t, 0) // Assert empty on test exit
|
||
|
|
|
||
|
|
// Create input data with message column containing JSON
|
||
|
|
input := NewArrowtestPipeline(
|
||
|
|
alloc,
|
||
|
|
tt.schema,
|
||
|
|
tt.input,
|
||
|
|
)
|
||
|
|
|
||
|
|
// Create ParseNode for JSON parsing
|
||
|
|
parseNode := &physical.ParseNode{
|
||
|
|
Kind: physical.ParserJSON,
|
||
|
|
RequestedKeys: tt.requestedKeys,
|
||
|
|
}
|
||
|
|
|
||
|
|
pipeline := NewParsePipeline(parseNode, input, alloc)
|
||
|
|
|
||
|
|
// Read first record
|
||
|
|
ctx := t.Context()
|
||
|
|
record, err := pipeline.Read(ctx)
|
||
|
|
require.NoError(t, err)
|
||
|
|
defer record.Release()
|
||
|
|
|
||
|
|
// Verify the output has the expected number of fields
|
||
|
|
outputSchema := record.Schema()
|
||
|
|
require.Equal(t, tt.expectedFields, outputSchema.NumFields())
|
||
|
|
|
||
|
|
// Convert record to rows for comparison
|
||
|
|
actual, err := arrowtest.RecordRows(record)
|
||
|
|
require.NoError(t, err)
|
||
|
|
require.Equal(t, tt.expectedOutput, actual)
|
||
|
|
})
|
||
|
|
}
|
||
|
|
}
|