File fld

File Extension: .fld (Inverted Field Exact-Match Index)

Turkce Dokumantasyon | English Documentation

Category: File Formats & Storage
Location: dbstore/tables/${table_id}_${block_idx}.fld (or Tier B *.jfld)
Format: Inverted Exact-Match Hash Table (DB_File)

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1. Definition and Overview

The .fld file maintains an inverted index for a specific schema block configured in match_block. It maps exact field values (e.g. category_id, status_code, author_id) directly to their packed 8-byte record ID arrays.

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2. Structure

Key (Field Value):   "5" (e.g. Electronics Category)
Value (Packed IDs):  [Packed 8-byte IDs: 101, 102, 108, ...]

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3. See Also

• Method: field_fetch
• Method: field_filter
• File: .fac (Facet Index)