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chore: add links to SQLite init options in the src code #12920

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merged 1 commit into from
May 16, 2022
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chore: add links to SQLite init options in the src code #12920

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8 changes: 7 additions & 1 deletion database/sqlite/sqlite_functions.c
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Original file line number Diff line number Diff line change
Expand Up @@ -396,26 +396,32 @@ int sql_init_database(db_check_action_type_t rebuild, int memory)
char buf[1024 + 1] = "";
const char *list[2] = { buf, NULL };

// https://www.sqlite.org/pragma.html#pragma_auto_vacuum
// PRAGMA schema.auto_vacuum = 0 | NONE | 1 | FULL | 2 | INCREMENTAL;
snprintfz(buf, 1024, "PRAGMA auto_vacuum=%s;", config_get(CONFIG_SECTION_SQLITE, "auto vacuum", "INCREMENTAL"));
if(init_database_batch(rebuild, 0, list)) return 1;

// https://www.sqlite.org/pragma.html#pragma_synchronous
// PRAGMA schema.synchronous = 0 | OFF | 1 | NORMAL | 2 | FULL | 3 | EXTRA;
snprintfz(buf, 1024, "PRAGMA synchronous=%s;", config_get(CONFIG_SECTION_SQLITE, "synchronous", "NORMAL"));
if(init_database_batch(rebuild, 0, list)) return 1;

// https://www.sqlite.org/pragma.html#pragma_journal_mode
// PRAGMA schema.journal_mode = DELETE | TRUNCATE | PERSIST | MEMORY | WAL | OFF
snprintfz(buf, 1024, "PRAGMA journal_mode=%s;", config_get(CONFIG_SECTION_SQLITE, "journal mode", "WAL"));
if(init_database_batch(rebuild, 0, list)) return 1;

// https://www.sqlite.org/pragma.html#pragma_temp_store
// PRAGMA temp_store = 0 | DEFAULT | 1 | FILE | 2 | MEMORY;
snprintfz(buf, 1024, "PRAGMA temp_store=%s;", config_get(CONFIG_SECTION_SQLITE, "temp store", "MEMORY"));
if(init_database_batch(rebuild, 0, list)) return 1;


// https://www.sqlite.org/pragma.html#pragma_journal_size_limit
// PRAGMA schema.journal_size_limit = N ;
snprintfz(buf, 1024, "PRAGMA journal_size_limit=%lld;", config_get_number(CONFIG_SECTION_SQLITE, "journal size limit", 16777216));
if(init_database_batch(rebuild, 0, list)) return 1;

// https://www.sqlite.org/pragma.html#pragma_cache_size
// PRAGMA schema.cache_size = pages;
// PRAGMA schema.cache_size = -kibibytes;
snprintfz(buf, 1024, "PRAGMA cache_size=%lld;", config_get_number(CONFIG_SECTION_SQLITE, "cache size", -2000));
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