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bailout if we can't create extensions #38

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Merged
mudler merged 1 commit into from
Jan 12, 2026
Merged

bailout if we can't create extensions #38

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15 changes: 8 additions & 7 deletions rag/engine/postgres.go
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Original file line number Diff line number Diff line change
Expand Up @@ -127,10 +127,10 @@ func getTestEmbedding(client *openai.Client, model string) ([]float32, error) {
func (p *PostgresDB) setupDatabase() error {
ctx := context.Background()

// Enable extensions
// Enable extensions - pg_textsearch is required for BM25 indexing
_, err := p.pool.Exec(ctx, "CREATE EXTENSION IF NOT EXISTS pg_textsearch")
if err != nil {
xlog.Warn("Failed to enable pg_textsearch extension", "error", err)
return fmt.Errorf("failed to enable pg_textsearch extension (required for BM25 indexing): %w", err)
}

// Check if vectorscale extension is already installed
Expand All @@ -151,7 +151,7 @@ func (p *PostgresDB) setupDatabase() error {
// Try pgvector as fallback
_, err = p.pool.Exec(ctx, "CREATE EXTENSION IF NOT EXISTS vector")
if err != nil {
xlog.Warn("Failed to enable vector extension", "error", err)
return fmt.Errorf("failed to enable vector extension: %w", err)
}
} else {
vectorscaleInstalled = true
Expand Down Expand Up @@ -202,13 +202,14 @@ func (p *PostgresDB) setupDatabase() error {
xlog.Warn("Failed to create GIN index", "error", err)
}

// BM25 index
// BM25 index - required for hybrid search
indexName := fmt.Sprintf("idx_%s_bm25", p.tableName)
_, err = p.pool.Exec(ctx, fmt.Sprintf(`
CREATE INDEX IF NOT EXISTS idx_%s_bm25 ON %s
CREATE INDEX IF NOT EXISTS %s ON %s
USING bm25(full_text) WITH (text_config='english')
`, p.tableName, p.tableName))
`, indexName, p.tableName))
if err != nil {
xlog.Warn("Failed to create BM25 index", "error", err)
return fmt.Errorf("failed to create BM25 index (required for hybrid search): %w", err)
}

// Vector index (try DiskANN first if vectorscale is available, fallback to HNSW)
Expand Down
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