[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › Sqlite SQLite database abstraction and query execution. ## Functions | Function | Description | | ---------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [booleanToSqliteBoolean](https://evolu.dev/docs/api-reference/common/Sqlite/functions/booleanToSqliteBoolean) | Converts a JavaScript boolean to a [SqliteBoolean](https://evolu.dev/docs/api-reference/common/Sqlite/variables/SqliteBoolean). | | [createPreparedStatementsCache](https://evolu.dev/docs/api-reference/common/Sqlite/functions/createPreparedStatementsCache) | Creates a [PreparedStatements](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/PreparedStatements) cache backed by the given factory and dispose function. | | [createSqlite](https://evolu.dev/docs/api-reference/common/Sqlite/functions/createSqlite) | Creates a [Sqlite](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/Sqlite) instance backed by a platform-specific driver. | | [getSqliteSchema](https://evolu.dev/docs/api-reference/common/Sqlite/functions/getSqliteSchema) | Get the current SQLite schema by reading SQLite metadata. | | [getSqliteSnapshot](https://evolu.dev/docs/api-reference/common/Sqlite/functions/getSqliteSnapshot) | Captures a full [SqliteSnapshot](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/SqliteSnapshot) for testing and diagnostics. | | [sql](https://evolu.dev/docs/api-reference/common/Sqlite/functions/sql) | Creates a safe SQL query using a tagged template literal. | | [sqliteBooleanToBoolean](https://evolu.dev/docs/api-reference/common/Sqlite/functions/sqliteBooleanToBoolean) | Converts a [SqliteBoolean](https://evolu.dev/docs/api-reference/common/Sqlite/variables/SqliteBoolean) to a JavaScript boolean. | | [sqliteQueryStringToSqliteQuery](https://evolu.dev/docs/api-reference/common/Sqlite/functions/sqliteQueryStringToSqliteQuery) | Converts a [SqliteQueryString](https://evolu.dev/docs/api-reference/common/Sqlite/type-aliases/SqliteQueryString) back into a [SqliteQuery](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/SqliteQuery). | | [sqliteQueryToSqliteQueryString](https://evolu.dev/docs/api-reference/common/Sqlite/functions/sqliteQueryToSqliteQueryString) | Converts a [SqliteQuery](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/SqliteQuery) into a stable [SqliteQueryString](https://evolu.dev/docs/api-reference/common/Sqlite/type-aliases/SqliteQueryString). | | [testSetupSqlite](https://evolu.dev/docs/api-reference/common/Sqlite/functions/testSetupSqlite) | Creates a test setup with a in-memory [Sqlite](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/Sqlite). | ## Interfaces | Interface | Description | | ----------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | | [CreateSqliteDriverDep](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/CreateSqliteDriverDep) | - | | [PreparedStatements](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/PreparedStatements) | Cache for compiled prepared statements. | | [RawSql](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/RawSql) | An unescaped SQL fragment inserted verbatim into a query. | | [SqlIdentifier](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/SqlIdentifier) | A double-quoted SQL identifier for safe column or table name interpolation. | | [Sqlite](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/Sqlite) | Platform-agnostic SQLite wrapping a [SqliteDriver](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/SqliteDriver). | | [SqliteDep](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/SqliteDep) | - | | [SqliteDriver](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/SqliteDriver) | SQLite driver interface. | | [SqliteExecResult](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/SqliteExecResult) | Result of executing a SQLite query. | | [SqliteIndex](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/SqliteIndex) | Index metadata stored in `sqlite_master` for a [Sqlite](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/Sqlite) database. | | [SqliteQuery](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/SqliteQuery) | Represents a SQL query to be executed on a [Sqlite](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/Sqlite) database. | | [SqliteQueryOptions](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/SqliteQueryOptions) | Options for configuring [SqliteQuery](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/SqliteQuery) execution behavior. | | [SqliteSchema](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/SqliteSchema) | Full schema metadata for a [Sqlite](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/Sqlite) database. | | [SqliteSnapshot](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/SqliteSnapshot) | Returns [SqliteSchema](https://evolu.dev/docs/api-reference/common/Sqlite/variables/SqliteSchema) and full [SqliteRow](https://evolu.dev/docs/api-reference/common/Sqlite/type-aliases/SqliteRow) table contents for inspection and testing. | | [SqliteTransaction](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/SqliteTransaction) | - | ## Type Aliases | Type Alias | Description | | --------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [CreateSqliteDriver](https://evolu.dev/docs/api-reference/common/Sqlite/type-aliases/CreateSqliteDriver) | Creates a [SqliteDriver](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/SqliteDriver). | | [SafeSql](https://evolu.dev/docs/api-reference/common/Sqlite/type-aliases/SafeSql) | A sanitized SQL string for [SqliteQuery](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/SqliteQuery). | | [SqliteBoolean](https://evolu.dev/docs/api-reference/common/Sqlite/type-aliases/SqliteBoolean) | SQLite represents boolean values using `0` (false) and `1` (true) instead of a dedicated boolean type. | | [SqliteDriverOptions](https://evolu.dev/docs/api-reference/common/Sqlite/type-aliases/SqliteDriverOptions) | Options for creating a [CreateSqliteDriver](https://evolu.dev/docs/api-reference/common/Sqlite/type-aliases/CreateSqliteDriver). | | [SqliteQueryString](https://evolu.dev/docs/api-reference/common/Sqlite/type-aliases/SqliteQueryString) | Serialized [SqliteQuery](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/SqliteQuery) used as a stable string key. | | [SqliteRow](https://evolu.dev/docs/api-reference/common/Sqlite/type-aliases/SqliteRow) | A row returned from a [Sqlite](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/Sqlite) query, mapping column names to [SqliteValue](https://evolu.dev/docs/api-reference/common/Sqlite/variables/SqliteValue). | | [SqliteValue](https://evolu.dev/docs/api-reference/common/Sqlite/type-aliases/SqliteValue) | A value that can be stored in [Sqlite](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/Sqlite). | | [SqlTemplateParam](https://evolu.dev/docs/api-reference/common/Sqlite/type-aliases/SqlTemplateParam) | A parameter accepted by the [sql](https://evolu.dev/docs/api-reference/common/Sqlite/functions/sql) tagged template. | ## Variables | Variable | Description | | ------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------ | | [eqSqliteIndex](https://evolu.dev/docs/api-reference/common/Sqlite/variables/eqSqliteIndex) | [Eq](https://evolu.dev/docs/api-reference/common/Eq/type-aliases/Eq) instance for [SqliteIndex](https://evolu.dev/docs/api-reference/common/Sqlite/variables/SqliteIndex). | | [eqSqliteValue](https://evolu.dev/docs/api-reference/common/Sqlite/variables/eqSqliteValue) | Equality comparison for [SqliteValue](https://evolu.dev/docs/api-reference/common/Sqlite/variables/SqliteValue). | | [SqliteBoolean](https://evolu.dev/docs/api-reference/common/Sqlite/variables/SqliteBoolean) | SQLite represents boolean values using `0` (false) and `1` (true) instead of a dedicated boolean type. | | [sqliteFalse](https://evolu.dev/docs/api-reference/common/Sqlite/variables/sqliteFalse) | Represents the [SqliteBoolean](https://evolu.dev/docs/api-reference/common/Sqlite/variables/SqliteBoolean) value for `false`. | | [SqliteIndex](https://evolu.dev/docs/api-reference/common/Sqlite/variables/SqliteIndex) | Index metadata stored in `sqlite_master` for a [Sqlite](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/Sqlite) database. | | [SqliteSchema](https://evolu.dev/docs/api-reference/common/Sqlite/variables/SqliteSchema) | Full schema metadata for a [Sqlite](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/Sqlite) database. | | [sqliteTrue](https://evolu.dev/docs/api-reference/common/Sqlite/variables/sqliteTrue) | Represents the [SqliteBoolean](https://evolu.dev/docs/api-reference/common/Sqlite/variables/SqliteBoolean) value for `true`. | | [SqliteValue](https://evolu.dev/docs/api-reference/common/Sqlite/variables/SqliteValue) | A value that can be stored in [Sqlite](https://evolu.dev/docs/api-reference/common/Sqlite/interfaces/Sqlite). |