public static SqlTableDefinition GetTableDefinition(this Sqlite3SchemaRow schema)
{
Dictionary <Sqlite3SchemaRow, SqlTableDefinition> definitionCache = schema.Database.GetProperty(SqlCacheKey, () => new Dictionary <Sqlite3SchemaRow, SqlTableDefinition>());
if (!definitionCache.TryGetValue(schema, out SqlTableDefinition definition))
{
if (!SqlParser.TryParse(schema.Sql, out definition))
{
definitionCache[schema] = null;
}
else
{
definitionCache[schema] = definition;
}
}
if (definition == null)
{
throw new Exception();
}
SqlTableDefinition def = definition;
return(def);
}
private void InitializeMasterTable()
{
// Parse table on Page 1, the sqlite_master table
BTreePage rootBtree = BTreePage.Parse(_reader, 1);
// Fake the schema for the sqlite_master table
Sqlite3SchemaRow schemaRow = new Sqlite3SchemaRow
{
Database = this,
Type = "table",
Name = "sqlite_master",
TableName = "sqlite_master",
RootPage = rootBtree.Page,
Sql = "CREATE TABLE sqlite_master (type TEXT, name TEXT, tbl_name TEXT, rootpage INTEGER, sql TEXT);"
};
Sqlite3Table table = new Sqlite3Table(_reader, rootBtree, schemaRow);
_masterTable = new Sqlite3MasterTable(this, table);
}
