feat(lineage): add TiDB and MariaDB lineage analyzers

backend/plugin/lineage/mariadb/analyze_test.go

@@ -0,0 +1,27 @@
+package mariadb
+
+import (
+	"testing"
+
+	"github.com/Ranxy/metaxisdata/backend/plugin/lineage/testutil"
+)
+
+// knownParserGaps lists shared-corpus cases omni's MariaDB parser cannot parse
+// yet: a join tree nested in three or more parentheses, e.g.
+// `FROM (((a JOIN b ON ...)))`, which is what mysqldump emits for views. omni's
+// MySQL parser accepts any depth; the MariaDB parser stops at two. These
+// statements hard-fail in production too, so the gap is recorded here rather
+// than hidden. Remove an entry once the parser accepts the statement.
+var knownParserGaps = map[string]bool{
+	"select with parenthesized join tree":                    true,
+	"INSERT SELECT with parenthesized join tree":             true,
+	"CREATE TABLE AS SELECT with parenthesized join tree":    true,
+	"CREATE VIEW with deeply nested parenthesized join tree": true,
+}
+
+// TestAnalyzeYAML runs the shared MySQL-family golden corpus through the MariaDB
+// analyzer, minus statements the MariaDB parser cannot parse yet.
+func TestAnalyzeYAML(t *testing.T) {
+	testutil.RunLineageTestSuitesFromYAMLDirSkipping(t, sharedCorpusDir(), analyzeSQL, knownParserGaps)
+	testutil.RunLineageTestSuitesFromYAMLDir(t, dialectCorpusDir(), analyzeSQL)
+}

backend/plugin/lineage/mariadb/analyze_test_helper.go

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+package mariadb
+
+import (
+	"context"
+	"path/filepath"
+	"runtime"
+
+	"github.com/Ranxy/metaxisdata/backend/plugin/lineage/catalog"
+	"github.com/Ranxy/metaxisdata/backend/plugin/lineage/model"
+)
+
+// analyzeSQL adapts the analyzer to the shared lineage test harness.
+func analyzeSQL(sql string, cat catalog.Provide) ([]model.ColumnRelation, error) {
+	return NewAnalyzer(context.TODO(), sql, cat).AnalyzeRelations()
+}
+
+// dialectCorpusDir locates this dialect's own golden corpus.
+func dialectCorpusDir() string {
+	_, filename, _, _ := runtime.Caller(0)
+	return filepath.Join(filepath.Dir(filename), "testdata", "analyze")
+}
+
+// sharedCorpusDir locates the MySQL golden corpus. Its statements are
+// dialect-neutral SQL that every MySQL-family analyzer must resolve identically,
+// so reusing it keeps the dialects behaviorally in sync.
+func sharedCorpusDir() string {
+	_, filename, _, _ := runtime.Caller(0)
+	return filepath.Join(filepath.Dir(filename), "..", "mysql", "testdata", "analyze")
+}