642 lines
16 KiB
Tcl
642 lines
16 KiB
Tcl
#!/usr/bin/tclsh
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#
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# Run this script to generate the pragma name lookup table C code.
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#
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# To add new pragmas, first add the name and other relevant attributes
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# of the pragma to the "pragma_def" object below. Then run this script
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# to generate the ../src/pragma.h header file that contains macros and
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# the lookup table needed for pragma name lookup in the pragma.c module.
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# Then add the extra "case PragTyp_XXXXX:" and subsequent code for the
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# new pragma in ../src/pragma.c.
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#
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# Flag meanings:
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set flagMeaning(NeedSchema) {Force schema load before running}
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set flagMeaning(ReadOnly) {Read-only HEADER_VALUE}
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set flagMeaning(Result0) {Acts as query when no argument}
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set flagMeaning(Result1) {Acts as query when has one argument}
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set flagMeaning(SchemaReq) {Schema required - "main" is default}
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set flagMeaning(SchemaOpt) {Schema restricts name search if present}
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set flagMeaning(NoColumns) {OP_ResultRow called with zero columns}
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set flagMeaning(NoColumns1) {zero columns if RHS argument is present}
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set pragma_def {
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NAME: full_column_names
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TYPE: FLAG
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ARG: SQLITE_FullColNames
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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NAME: short_column_names
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TYPE: FLAG
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ARG: SQLITE_ShortColNames
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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NAME: count_changes
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TYPE: FLAG
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ARG: SQLITE_CountRows
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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NAME: empty_result_callbacks
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TYPE: FLAG
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ARG: SQLITE_NullCallback
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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NAME: fullfsync
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TYPE: FLAG
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ARG: SQLITE_FullFSync
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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NAME: checkpoint_fullfsync
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TYPE: FLAG
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ARG: SQLITE_CkptFullFSync
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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NAME: cache_spill
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FLAG: Result0 SchemaReq NoColumns1
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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NAME: reverse_unordered_selects
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TYPE: FLAG
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ARG: SQLITE_ReverseOrder
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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NAME: query_only
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TYPE: FLAG
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ARG: SQLITE_QueryOnly
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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NAME: automatic_index
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TYPE: FLAG
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ARG: SQLITE_AutoIndex
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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IF: !defined(SQLITE_OMIT_AUTOMATIC_INDEX)
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NAME: sql_trace
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TYPE: FLAG
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ARG: SQLITE_SqlTrace
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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IF: defined(SQLITE_DEBUG)
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NAME: vdbe_listing
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TYPE: FLAG
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ARG: SQLITE_VdbeListing
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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IF: defined(SQLITE_DEBUG)
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NAME: vdbe_trace
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TYPE: FLAG
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ARG: SQLITE_VdbeTrace
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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IF: defined(SQLITE_DEBUG)
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NAME: vdbe_addoptrace
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TYPE: FLAG
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ARG: SQLITE_VdbeAddopTrace
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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IF: defined(SQLITE_DEBUG)
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NAME: vdbe_debug
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TYPE: FLAG
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ARG: SQLITE_SqlTrace|SQLITE_VdbeListing|SQLITE_VdbeTrace
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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IF: defined(SQLITE_DEBUG)
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NAME: vdbe_eqp
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TYPE: FLAG
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ARG: SQLITE_VdbeEQP
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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IF: defined(SQLITE_DEBUG)
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NAME: ignore_check_constraints
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TYPE: FLAG
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ARG: SQLITE_IgnoreChecks
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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IF: !defined(SQLITE_OMIT_CHECK)
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NAME: writable_schema
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TYPE: FLAG
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ARG: SQLITE_WriteSchema|SQLITE_NoSchemaError
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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NAME: read_uncommitted
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TYPE: FLAG
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ARG: SQLITE_ReadUncommit
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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NAME: recursive_triggers
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TYPE: FLAG
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ARG: SQLITE_RecTriggers
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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NAME: foreign_keys
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TYPE: FLAG
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ARG: SQLITE_ForeignKeys
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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IF: !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
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NAME: defer_foreign_keys
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TYPE: FLAG
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ARG: SQLITE_DeferFKs
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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IF: !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
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NAME: cell_size_check
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TYPE: FLAG
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ARG: SQLITE_CellSizeCk
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NAME: default_cache_size
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FLAG: NeedSchema Result0 SchemaReq NoColumns1
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COLS: cache_size
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IF: !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED)
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NAME: page_size
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FLAG: Result0 SchemaReq NoColumns1
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IF: !defined(SQLITE_OMIT_PAGER_PRAGMAS)
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NAME: secure_delete
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FLAG: Result0
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IF: !defined(SQLITE_OMIT_PAGER_PRAGMAS)
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NAME: page_count
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FLAG: NeedSchema Result0 SchemaReq
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IF: !defined(SQLITE_OMIT_PAGER_PRAGMAS)
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NAME: max_page_count
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TYPE: PAGE_COUNT
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FLAG: NeedSchema Result0 SchemaReq
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IF: !defined(SQLITE_OMIT_PAGER_PRAGMAS)
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NAME: locking_mode
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FLAG: Result0 SchemaReq
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IF: !defined(SQLITE_OMIT_PAGER_PRAGMAS)
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NAME: journal_mode
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FLAG: NeedSchema Result0 SchemaReq
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IF: !defined(SQLITE_OMIT_PAGER_PRAGMAS)
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NAME: journal_size_limit
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FLAG: Result0 SchemaReq
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IF: !defined(SQLITE_OMIT_PAGER_PRAGMAS)
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NAME: cache_size
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FLAG: NeedSchema Result0 SchemaReq NoColumns1
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IF: !defined(SQLITE_OMIT_PAGER_PRAGMAS)
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NAME: mmap_size
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IF: !defined(SQLITE_OMIT_PAGER_PRAGMAS)
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NAME: auto_vacuum
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FLAG: NeedSchema Result0 SchemaReq NoColumns1
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IF: !defined(SQLITE_OMIT_AUTOVACUUM)
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NAME: incremental_vacuum
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FLAG: NeedSchema NoColumns
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IF: !defined(SQLITE_OMIT_AUTOVACUUM)
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NAME: temp_store
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FLAG: Result0 NoColumns1
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IF: !defined(SQLITE_OMIT_PAGER_PRAGMAS)
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NAME: temp_store_directory
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FLAG: NoColumns1
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IF: !defined(SQLITE_OMIT_PAGER_PRAGMAS)
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NAME: data_store_directory
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FLAG: NoColumns1
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IF: !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_OS_WIN
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NAME: lock_proxy_file
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FLAG: NoColumns1
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IF: !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_ENABLE_LOCKING_STYLE
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NAME: synchronous
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FLAG: NeedSchema Result0 SchemaReq NoColumns1
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IF: !defined(SQLITE_OMIT_PAGER_PRAGMAS)
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NAME: table_info
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FLAG: NeedSchema Result1 SchemaOpt
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ARG: 0
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COLS: cid name type notnull dflt_value pk
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IF: !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
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NAME: table_xinfo
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TYPE: TABLE_INFO
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FLAG: NeedSchema Result1 SchemaOpt
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ARG: 1
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COLS: cid name type notnull dflt_value pk hidden
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IF: !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
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NAME: stats
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FLAG: NeedSchema Result0 SchemaReq
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COLS: tbl idx wdth hght flgs
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IF: !defined(SQLITE_OMIT_SCHEMA_PRAGMAS) && defined(SQLITE_DEBUG)
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NAME: index_info
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TYPE: INDEX_INFO
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ARG: 0
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FLAG: NeedSchema Result1 SchemaOpt
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COLS: seqno cid name
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IF: !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
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NAME: index_xinfo
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TYPE: INDEX_INFO
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ARG: 1
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FLAG: NeedSchema Result1 SchemaOpt
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COLS: seqno cid name desc coll key
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IF: !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
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NAME: index_list
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FLAG: NeedSchema Result1 SchemaOpt
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COLS: seq name unique origin partial
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IF: !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
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NAME: database_list
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FLAG: NeedSchema Result0
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COLS: seq name file
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IF: !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
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NAME: function_list
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FLAG: Result0
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COLS: name builtin
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IF: !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
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IF: !defined(SQLITE_OMIT_INTROSPECTION_PRAGMAS)
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NAME: module_list
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FLAG: Result0
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COLS: name
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IF: !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
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IF: !defined(SQLITE_OMIT_VIRTUALTABLE)
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IF: !defined(SQLITE_OMIT_INTROSPECTION_PRAGMAS)
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NAME: pragma_list
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FLAG: Result0
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COLS: name
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IF: !defined(SQLITE_OMIT_INTROSPECTION_PRAGMAS)
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NAME: collation_list
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FLAG: Result0
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COLS: seq name
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IF: !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
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NAME: foreign_key_list
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FLAG: NeedSchema Result1 SchemaOpt
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COLS: id seq table from to on_update on_delete match
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IF: !defined(SQLITE_OMIT_FOREIGN_KEY)
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NAME: foreign_key_check
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FLAG: NeedSchema Result0
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COLS: table rowid parent fkid
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IF: !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
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NAME: parser_trace
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TYPE: FLAG
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ARG: SQLITE_ParserTrace
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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IF: defined(SQLITE_DEBUG)
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NAME: case_sensitive_like
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FLAG: NoColumns
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IF: !defined(SQLITE_OMIT_CASE_SENSITIVE_LIKE_PRAGMA)
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NAME: integrity_check
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FLAG: NeedSchema Result0 Result1
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IF: !defined(SQLITE_OMIT_INTEGRITY_CHECK)
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NAME: quick_check
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TYPE: INTEGRITY_CHECK
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FLAG: NeedSchema Result0 Result1
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IF: !defined(SQLITE_OMIT_INTEGRITY_CHECK)
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NAME: encoding
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FLAG: Result0 NoColumns1
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IF: !defined(SQLITE_OMIT_UTF16)
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NAME: schema_version
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TYPE: HEADER_VALUE
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ARG: BTREE_SCHEMA_VERSION
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FLAG: NoColumns1 Result0
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IF: !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
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NAME: user_version
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TYPE: HEADER_VALUE
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ARG: BTREE_USER_VERSION
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FLAG: NoColumns1 Result0
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IF: !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
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NAME: data_version
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TYPE: HEADER_VALUE
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ARG: BTREE_DATA_VERSION
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FLAG: ReadOnly Result0
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IF: !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
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NAME: freelist_count
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TYPE: HEADER_VALUE
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ARG: BTREE_FREE_PAGE_COUNT
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FLAG: ReadOnly Result0
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IF: !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
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NAME: application_id
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TYPE: HEADER_VALUE
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ARG: BTREE_APPLICATION_ID
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FLAG: NoColumns1 Result0
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IF: !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
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NAME: compile_options
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FLAG: Result0
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IF: !defined(SQLITE_OMIT_COMPILEOPTION_DIAGS)
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NAME: wal_checkpoint
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FLAG: NeedSchema
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COLS: busy log checkpointed
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IF: !defined(SQLITE_OMIT_WAL)
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NAME: wal_autocheckpoint
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IF: !defined(SQLITE_OMIT_WAL)
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NAME: shrink_memory
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FLAG: NoColumns
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NAME: busy_timeout
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FLAG: Result0
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COLS: timeout
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NAME: lock_status
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FLAG: Result0
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COLS: database status
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IF: defined(SQLITE_DEBUG) || defined(SQLITE_TEST)
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NAME: key
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TYPE: KEY
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ARG: 0
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IF: defined(SQLITE_HAS_CODEC)
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NAME: rekey
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TYPE: KEY
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ARG: 1
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IF: defined(SQLITE_HAS_CODEC)
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NAME: hexkey
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TYPE: KEY
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ARG: 2
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IF: defined(SQLITE_HAS_CODEC)
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NAME: hexrekey
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TYPE: KEY
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ARG: 3
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IF: defined(SQLITE_HAS_CODEC)
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NAME: textkey
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TYPE: KEY
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ARG: 4
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IF: defined(SQLITE_HAS_CODEC)
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NAME: textrekey
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TYPE: KEY
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ARG: 5
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IF: defined(SQLITE_HAS_CODEC)
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NAME: activate_extensions
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IF: defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD)
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NAME: soft_heap_limit
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FLAG: Result0
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NAME: hard_heap_limit
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FLAG: Result0
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NAME: threads
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FLAG: Result0
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NAME: optimize
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FLAG: Result1 NeedSchema
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NAME: legacy_alter_table
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TYPE: FLAG
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ARG: SQLITE_LegacyAlter
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IF: !defined(SQLITE_OMIT_FLAG_PRAGMAS)
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}
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# Open the output file
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#
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set destfile "[file dir [file dir [file normal $argv0]]]/src/pragma.h"
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puts "Overwriting $destfile with new pragma table..."
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set fd [open $destfile wb]
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puts $fd {/* DO NOT EDIT!
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** This file is automatically generated by the script at
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** ../tool/mkpragmatab.tcl. To update the set of pragmas, edit
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** that script and rerun it.
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*/}
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# Parse the PRAGMA table above.
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#
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set name {}
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set type {}
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set if {}
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set flags {}
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set cols {}
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set cols_list {}
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set arg 0
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proc record_one {} {
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global name type if arg allbyname typebyif flags cols all_cols
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global cols_list colUsedBy
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if {$name==""} return
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if {$cols!=""} {
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if {![info exists all_cols($cols)]} {
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set all_cols($cols) 1
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lappend cols_list $cols
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}
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set cx $cols
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lappend colUsedBy($cols) $name
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} else {
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set cx 0
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}
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set allbyname($name) [list $type $arg $if $flags $cols]
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set name {}
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set type {}
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set if {}
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set flags {}
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set cols {}
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set arg 0
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}
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foreach line [split $pragma_def \n] {
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set line [string trim $line]
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if {$line==""} continue
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foreach {id val} [split $line :] break
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set val [string trim $val]
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if {$id=="NAME"} {
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record_one
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set name $val
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set type [string toupper $val]
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} elseif {$id=="TYPE"} {
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set type $val
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if {$type=="FLAG"} {
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lappend flags Result0 NoColumns1
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}
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} elseif {$id=="ARG"} {
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set arg $val
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} elseif {$id=="COLS"} {
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set cols $val
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} elseif {$id=="IF"} {
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lappend if $val
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} elseif {$id=="FLAG"} {
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foreach term [split $val] {
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lappend flags $term
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set allflags($term) 1
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}
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} else {
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error "bad pragma_def line: $line"
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}
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}
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record_one
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set allnames [lsort [array names allbyname]]
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# Generate #defines for all pragma type names. Group the pragmas that are
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# omit in default builds (defined(SQLITE_DEBUG) and defined(SQLITE_HAS_CODEC))
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# at the end.
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#
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puts $fd "\n/* The various pragma types */"
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set pnum 0
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foreach name $allnames {
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set type [lindex $allbyname($name) 0]
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if {[info exists seentype($type)]} continue
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set if [lindex $allbyname($name) 2]
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if {[regexp SQLITE_DEBUG $if] || [regexp SQLITE_HAS_CODEC $if]} continue
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set seentype($type) 1
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puts $fd [format {#define %-35s %4d} PragTyp_$type $pnum]
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incr pnum
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}
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foreach name $allnames {
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set type [lindex $allbyname($name) 0]
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if {[info exists seentype($type)]} continue
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set if [lindex $allbyname($name) 2]
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if {[regexp SQLITE_DEBUG $if]} continue
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set seentype($type) 1
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puts $fd [format {#define %-35s %4d} PragTyp_$type $pnum]
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incr pnum
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}
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foreach name $allnames {
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set type [lindex $allbyname($name) 0]
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if {[info exists seentype($type)]} continue
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set seentype($type) 1
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puts $fd [format {#define %-35s %4d} PragTyp_$type $pnum]
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incr pnum
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}
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# Generate #defines for flags
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#
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|
puts $fd "\n/* Property flags associated with various pragma. */"
|
|
set fv 1
|
|
foreach f [lsort [array names allflags]] {
|
|
puts $fd [format {#define PragFlg_%-10s 0x%02x /* %s */} \
|
|
$f $fv $flagMeaning($f)]
|
|
set fv [expr {$fv*2}]
|
|
}
|
|
|
|
# Sort the column lists so that longer column lists occur first
|
|
#
|
|
proc colscmp {a b} {
|
|
return [expr {[llength $b] - [llength $a]}]
|
|
}
|
|
set cols_list [lsort -command colscmp $cols_list]
|
|
|
|
# Generate the array of column names used by pragmas that act like
|
|
# queries.
|
|
#
|
|
puts $fd "\n/* Names of columns for pragmas that return multi-column result"
|
|
puts $fd "** or that return single-column results where the name of the"
|
|
puts $fd "** result column is different from the name of the pragma\n*/"
|
|
puts $fd "static const char *const pragCName\[\] = {"
|
|
set offset 0
|
|
set allcollist {}
|
|
foreach cols $cols_list {
|
|
set n [llength $cols]
|
|
set limit [expr {[llength $allcollist] - $n}]
|
|
for {set i 0} {$i<$limit} {incr i} {
|
|
set sublist [lrange $allcollist $i [expr {$i+$n-1}]]
|
|
if {$sublist==$cols} {
|
|
puts $fd [format "%27s/* $colUsedBy($cols) reuses $i */" ""]
|
|
set cols_offset($cols) $i
|
|
break
|
|
}
|
|
}
|
|
if {$i<$limit} continue
|
|
set cols_offset($cols) $offset
|
|
set ub " /* Used by: $colUsedBy($cols) */"
|
|
foreach c $cols {
|
|
lappend allcollist $c
|
|
puts $fd [format " /* %3d */ %-14s%s" $offset \"$c\", $ub]
|
|
set ub ""
|
|
incr offset
|
|
}
|
|
}
|
|
puts $fd "\175;"
|
|
|
|
# Generate the lookup table
|
|
#
|
|
puts $fd "\n/* Definitions of all built-in pragmas */"
|
|
puts $fd "typedef struct PragmaName \173"
|
|
puts $fd " const char *const zName; /* Name of pragma */"
|
|
puts $fd " u8 ePragTyp; /* PragTyp_XXX value */"
|
|
puts $fd " u8 mPragFlg; /* Zero or more PragFlg_XXX values */"
|
|
puts $fd { u8 iPragCName; /* Start of column names in pragCName[] */}
|
|
puts $fd " u8 nPragCName; \
|
|
/* Num of col names. 0 means use pragma name */"
|
|
puts $fd " u64 iArg; /* Extra argument */"
|
|
puts $fd "\175 PragmaName;"
|
|
puts $fd "static const PragmaName aPragmaName\[\] = \173"
|
|
|
|
set current_if {}
|
|
set spacer [format { %26s } {}]
|
|
foreach name $allnames {
|
|
foreach {type arg if flag cx} $allbyname($name) break
|
|
if {$cx==0 || $cx==""} {
|
|
set cy 0
|
|
set nx 0
|
|
} else {
|
|
set cy $cols_offset($cx)
|
|
set nx [llength $cx]
|
|
}
|
|
if {$if!=$current_if} {
|
|
if {$current_if!=""} {
|
|
foreach this_if $current_if {
|
|
puts $fd "#endif"
|
|
}
|
|
}
|
|
set current_if $if
|
|
if {$current_if!=""} {
|
|
foreach this_if $current_if {
|
|
puts $fd "#if $this_if"
|
|
}
|
|
}
|
|
}
|
|
set typex [format PragTyp_%-23s $type,]
|
|
if {$flag==""} {
|
|
set flagx "0"
|
|
} else {
|
|
set flagx PragFlg_[join $flag {|PragFlg_}]
|
|
}
|
|
puts $fd " \173/* zName: */ \"$name\","
|
|
puts $fd " /* ePragTyp: */ PragTyp_$type,"
|
|
puts $fd " /* ePragFlg: */ $flagx,"
|
|
puts $fd " /* ColNames: */ $cy, $nx,"
|
|
puts $fd " /* iArg: */ $arg \175,"
|
|
}
|
|
if {$current_if!=""} {
|
|
foreach this_if $current_if {
|
|
puts $fd "#endif"
|
|
}
|
|
}
|
|
puts $fd "\175;"
|
|
|
|
# count the number of pragmas, for information purposes
|
|
#
|
|
set allcnt 0
|
|
set dfltcnt 0
|
|
foreach name $allnames {
|
|
incr allcnt
|
|
set if [lindex $allbyname($name) 2]
|
|
if {[regexp {^defined} $if] || [regexp {[^!]defined} $if]} continue
|
|
incr dfltcnt
|
|
}
|
|
puts $fd "/* Number of pragmas: $dfltcnt on by default, $allcnt total. */"
|