feat: enable column level search

cli/config.go

@@ -103,6 +103,9 @@ type Config struct {
 
 	// Client
 	Client client.Config `mapstructure:"client"`
+
+	// Column search excluded keyword list
+	ColSearchExclusionKeywords string `yaml:"col_search_excluded_keywords" mapstructure:"col_search_excluded_keywords"`
 }
 
 func LoadConfig() (*Config, error) {

cli/server.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"os"
+	"strings"
 
 	"github.com/MakeNowJust/heredoc"
 	"github.com/goto/compass/core/asset"
@@ -131,7 +132,7 @@ func runServer(ctx context.Context, cfg *Config) error {
 	if err != nil {
 		return fmt.Errorf("create new asset repository: %w", err)
 	}
-	discoveryRepository := esStore.NewDiscoveryRepository(esClient, logger)
+	discoveryRepository := esStore.NewDiscoveryRepository(esClient, logger, strings.Split(cfg.ColSearchExclusionKeywords, ","))
 	lineageRepository, err := postgres.NewLineageRepository(pgClient)
 	if err != nil {
 		return fmt.Errorf("create new lineage repository: %w", err)

cli/worker.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"strings"
 
 	"github.com/MakeNowJust/heredoc"
 	"github.com/goto/compass/internal/store/elasticsearch"
@@ -68,7 +69,7 @@ func runWorker(ctx context.Context, cfg *Config) error {
 
 	mgr, err := workermanager.New(ctx, workermanager.Deps{
 		Config:        cfg.Worker,
-		DiscoveryRepo: elasticsearch.NewDiscoveryRepository(esClient, logger),
+		DiscoveryRepo: elasticsearch.NewDiscoveryRepository(esClient, logger, strings.Split(cfg.ColSearchExclusionKeywords, ",")),
 		Logger:        logger,
 	})
 	if err != nil {

core/asset/discovery.go

@@ -43,6 +43,8 @@ type SearchFlags struct {
 
 	// DisableFuzzy disables fuzziness on search
 	DisableFuzzy bool
+
+	IsColumnSearch bool
 }
 
 // SearchConfig represents a search query along

internal/server/v1beta1/search.go

@@ -140,5 +140,6 @@ func getSearchFlagsFromFlags(inputFlags *compassv1beta1.SearchFlags) asset.Searc
 	return asset.SearchFlags{
 		EnableHighlight: inputFlags.GetEnableHighlight(),
 		DisableFuzzy:    inputFlags.GetDisableFuzzy(),
+		IsColumnSearch:  inputFlags.GetIsColumnSearch(),
 	}
 }

internal/store/elasticsearch/discovery_repository.go

@@ -18,14 +18,16 @@ import (
 // DiscoveryRepository implements discovery.Repository
 // with elasticsearch as the backing store.
 type DiscoveryRepository struct {
-	cli    *Client
-	logger log.Logger
+	cli                       *Client
+	logger                    log.Logger
+	ColumnSearchExclusionList []string
 }
 
-func NewDiscoveryRepository(cli *Client, logger log.Logger) *DiscoveryRepository {
+func NewDiscoveryRepository(cli *Client, logger log.Logger, colSearchExclusionList []string) *DiscoveryRepository {
 	return &DiscoveryRepository{
-		cli:    cli,
-		logger: logger,
+		cli:                       cli,
+		logger:                    logger,
+		ColumnSearchExclusionList: colSearchExclusionList,
 	}
 }
 

internal/store/elasticsearch/discovery_repository_test.go

@@ -31,7 +31,7 @@ func TestDiscoveryRepositoryUpsert(t *testing.T) {
 		)
 		require.NoError(t, err)
 
-		repo := store.NewDiscoveryRepository(esClient, log.NewNoop())
+		repo := store.NewDiscoveryRepository(esClient, log.NewNoop(), []string{"number", "id"})
 		err = repo.Upsert(ctx, asset.Asset{
 			ID:      "",
 			Type:    asset.TypeTable,
@@ -50,7 +50,7 @@ func TestDiscoveryRepositoryUpsert(t *testing.T) {
 		)
 		require.NoError(t, err)
 
-		repo := store.NewDiscoveryRepository(esClient, log.NewNoop())
+		repo := store.NewDiscoveryRepository(esClient, log.NewNoop(), []string{"number", "id"})
 		err = repo.Upsert(ctx, asset.Asset{
 			ID:      "sample-id",
 			Type:    asset.Type("unknown-type"),
@@ -69,7 +69,7 @@ func TestDiscoveryRepositoryUpsert(t *testing.T) {
 		)
 		require.NoError(t, err)
 
-		repo := store.NewDiscoveryRepository(esClient, log.NewNoop())
+		repo := store.NewDiscoveryRepository(esClient, log.NewNoop(), []string{"number", "id"})
 
 		// upsert with create_time as a object
 		err = repo.Upsert(ctx, asset.Asset{
@@ -129,7 +129,7 @@ func TestDiscoveryRepositoryUpsert(t *testing.T) {
 		)
 		require.NoError(t, err)
 
-		repo := store.NewDiscoveryRepository(esClient, log.NewNoop())
+		repo := store.NewDiscoveryRepository(esClient, log.NewNoop(), []string{"number", "id"})
 		err = repo.Upsert(ctx, ast)
 		assert.NoError(t, err)
 
@@ -178,7 +178,7 @@ func TestDiscoveryRepositoryUpsert(t *testing.T) {
 		)
 		require.NoError(t, err)
 
-		repo := store.NewDiscoveryRepository(esClient, log.NewNoop())
+		repo := store.NewDiscoveryRepository(esClient, log.NewNoop(), []string{"number", "id"})
 
 		err = repo.Upsert(ctx, existingAsset)
 		assert.NoError(t, err)
@@ -219,7 +219,7 @@ func TestDiscoveryRepositoryDeleteByID(t *testing.T) {
 		)
 		require.NoError(t, err)
 
-		repo := store.NewDiscoveryRepository(esClient, log.NewNoop())
+		repo := store.NewDiscoveryRepository(esClient, log.NewNoop(), []string{"number", "id"})
 		err = repo.DeleteByID(ctx, "")
 		assert.ErrorIs(t, err, asset.ErrEmptyID)
 	})
@@ -241,7 +241,7 @@ func TestDiscoveryRepositoryDeleteByID(t *testing.T) {
 		)
 		require.NoError(t, err)
 
-		repo := store.NewDiscoveryRepository(esClient, log.NewNoop())
+		repo := store.NewDiscoveryRepository(esClient, log.NewNoop(), []string{"number", "id"})
 
 		err = repo.Upsert(ctx, ast)
 		require.NoError(t, err)
@@ -288,7 +288,7 @@ func TestDiscoveryRepositoryDeleteByID(t *testing.T) {
 		)
 		require.NoError(t, err)
 
-		repo := store.NewDiscoveryRepository(esClient, log.NewNoop())
+		repo := store.NewDiscoveryRepository(esClient, log.NewNoop(), []string{"number", "id"})
 
 		err = repo.Upsert(ctx, ast1)
 		require.NoError(t, err)
@@ -319,7 +319,7 @@ func TestDiscoveryRepositoryDeleteByURN(t *testing.T) {
 	)
 	require.NoError(t, err)
 
-	repo := store.NewDiscoveryRepository(esClient, log.NewNoop())
+	repo := store.NewDiscoveryRepository(esClient, log.NewNoop(), []string{"number", "id"})
 
 	t.Run("should return error if the given urn is empty", func(t *testing.T) {
 		err = repo.DeleteByURN(ctx, "")
@@ -378,7 +378,7 @@ func TestDiscoveryRepositoryDeleteByURN(t *testing.T) {
 		)
 		require.NoError(t, err)
 
-		repo := store.NewDiscoveryRepository(esClient, log.NewNoop())
+		repo := store.NewDiscoveryRepository(esClient, log.NewNoop(), []string{"number", "id"})
 
 		err = repo.Upsert(ctx, ast1)
 		require.NoError(t, err)

internal/store/elasticsearch/discovery_search_repository.go

@@ -53,7 +53,7 @@ func (repo *DiscoveryRepository) Search(ctx context.Context, cfg asset.SearchCon
 		})
 	}(time.Now())
 
-	query, err := buildQuery(cfg)
+	query, err := repo.buildQuery(cfg)
 	if err != nil {
 		return nil, asset.DiscoveryError{Op: "Search", Err: fmt.Errorf("build query: %w", err)}
 	}
@@ -195,17 +195,109 @@ func (repo *DiscoveryRepository) Suggest(ctx context.Context, config asset.Searc
 	return results, nil
 }
 
-func buildQuery(cfg asset.SearchConfig) (io.Reader, error) {
+func (repo *DiscoveryRepository) buildColumnQuery(query *elastic.BoolQuery, cfg asset.SearchConfig, field string) *elastic.Highlight {
+	matchString := cfg.Text
+	for _, exclusionStr := range repo.ColumnSearchExclusionList {
+		exclusionStr = strings.TrimSpace(exclusionStr)
+		if strings.Contains(matchString, exclusionStr) {
+			matchString = strings.ReplaceAll(matchString, fmt.Sprintf("_%s", exclusionStr), "")
+			matchString = strings.ReplaceAll(matchString, fmt.Sprintf(" %s", exclusionStr), "")
+			matchString = strings.ReplaceAll(matchString, fmt.Sprintf("-%s", exclusionStr), "")
+		}
+	}
+
+	if matchString == "" {
+		matchString = cfg.Text
+	}
+
+	queries := make([]elastic.Query, 0)
+	termQuery := elastic.NewTermQuery(
+		fmt.Sprintf("%s.keyword", field),
+		cfg.Text,
+	).Boost(20)
+
+	descriptionTermQuery := elastic.NewTermQuery(
+		fmt.Sprintf("%s.keyword", "data.columns.description"),
+		cfg.Text,
+	)
+	phraseQuery := elastic.NewMultiMatchQuery(
+		cfg.Text,
+		[]string{
+			"data.columns.name^10",
+			"data.columns.description",
+		}...,
+	).Type("phrase")
+
+	matchQuery := elastic.NewMultiMatchQuery(
+		matchString,
+		[]string{
+			"data.columns.name^5",
+			"data.columns.description",
+		}...,
+	)
+
+	andMatchQuery := elastic.NewMultiMatchQuery(
+		matchString,
+		[]string{
+			"data.columns.name^5",
+			"data.columns.description",
+		}...,
+	).Operator("and")
+
+	multiMatchQueries := []*elastic.MultiMatchQuery{phraseQuery, matchQuery, andMatchQuery}
+	queries = append(queries, termQuery, descriptionTermQuery)
+	query.Should(queries...)
+	highlightQuery := make([]elastic.Query, 0)
+	highlightQuery = append(highlightQuery, queries...)
+	for _, q := range multiMatchQueries {
+		if !cfg.Flags.DisableFuzzy {
+			updatedQuery := q.Fuzziness("AUTO")
+			highlightQuery = append(highlightQuery, updatedQuery)
+		}
+		query.Should(q)
+	}
+
+	if cfg.Flags.EnableHighlight {
+		return elastic.NewHighlight().
+			Order("score").
+			Field("data.columns.name").
+			Field("data.columns.description").
+			HighlightQuery(
+				elastic.NewBoolQuery().
+					Should(highlightQuery...),
+			)
+	}
+
+	return nil
+}
+
+func (repo *DiscoveryRepository) buildQuery(cfg asset.SearchConfig) (io.Reader, error) {
 	boolQuery := elastic.NewBoolQuery()
-	buildTextQuery(boolQuery, cfg)
+	var highlightQuery *elastic.Highlight
+	field := ""
+
+	// if the search text is empty, do a match all query and return results
+	if strings.TrimSpace(cfg.Text) == "" {
+		boolQuery.Should(elastic.NewMatchAllQuery())
+		highlightQuery = buildHighlightQuery(cfg)
+	} else {
+		if cfg.Flags.IsColumnSearch {
+			field = "data.columns.name"
+			highlightQuery = repo.buildColumnQuery(boolQuery, cfg, field)
+		} else {
+			field = "name"
+			buildTextQuery(boolQuery, cfg)
+			highlightQuery = buildHighlightQuery(cfg)
+		}
+	}
+
 	buildFilterTermQueries(boolQuery, cfg.Filters)
 	buildMustMatchQueries(boolQuery, cfg)
-	query := buildFunctionScoreQuery(boolQuery, cfg.RankBy, cfg.Text)
-	highlight := buildHighlightQuery(cfg)
+	query := buildFunctionScoreQuery(boolQuery, cfg.RankBy, cfg.Text, field)
 
 	body, err := elastic.NewSearchRequest().
 		Query(query).
-		Highlight(highlight).
+		Highlight(highlightQuery).
 		MinScore(defaultMinScore).
 		Body()
 	if err != nil {
@@ -238,10 +330,6 @@ func buildSuggestQuery(cfg asset.SearchConfig) (io.Reader, error) {
 }
 
 func buildTextQuery(q *elastic.BoolQuery, cfg asset.SearchConfig) {
-	if strings.TrimSpace(cfg.Text) == "" {
-		q.Should(elastic.NewMatchAllQuery())
-	}
-
 	boostedFields := []string{"urn^10", "name^5"}
 	q.Should(
 		// Phrase query cannot have `FUZZINESS`
@@ -312,12 +400,12 @@ func buildFilterExistsQueries(q *elastic.BoolQuery, fields []string) {
 	}
 }
 
-func buildFunctionScoreQuery(query elastic.Query, rankBy, text string) elastic.Query {
+func buildFunctionScoreQuery(query elastic.Query, rankBy, text, field string) elastic.Query {
 	// Added exact match term query here so that exact match gets higher priority.
 	fsQuery := elastic.NewFunctionScoreQuery()
 	if text != "" {
 		fsQuery.Add(
-			elastic.NewTermQuery("name.keyword", text),
+			elastic.NewTermQuery(fmt.Sprintf("%s.keyword", field), text),
 			elastic.NewWeightFactorFunction(2),
 		)
 	}