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LibSQL+SQLServer: Build SQLServer system service

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This patch introduces the SQLServer system server. This service is
supposed to be the only process/application talking to database storage.
This makes things like locking and caching more reliable, easier to
implement, and more efficient.

In LibSQL we added a client component that does the ugly IPC nitty-
gritty for you. All that's needed is setting a number of event handler
lambdas and you can connect to databases and execute statements on them.

Applications that wish to use this SQLClient class obviously need to
link LibSQL and LibIPC.
This commit is contained in:
Jan de Visser 2021-06-28 21:15:17 -04:00 • committed by Ali Mohammad Pur
parent 1037d6b0eb
commit a034774e3a
19 changed files with 650 additions and 12 deletions
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24
Userland/Libraries/LibSQL/SQLResult.h
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@ -40,17 +40,18 @@ constexpr char const* command_tag(SQLCommand command)
}
}
#define ENUMERATE_SQL_ERRORS(S) \
S(NoError, "No error") \
S(DatabaseUnavailable, "Database Unavailable") \
S(StatementUnavailable, "Statement with id {} Unavailable") \
S(SyntaxError, "Syntax Error") \
S(DatabaseDoesNotExist, "Database {} does not exist") \
S(SchemaDoesNotExist, "Schema {} does not exist") \
S(SchemaExists, "Schema {} already exist") \
S(TableDoesNotExist, "Table {} does not exist") \
S(TableExists, "Table {} already exist") \
S(InvalidType, "Invalid type {}")
#define ENUMERATE_SQL_ERRORS(S) \
S(NoError, "No error") \
S(DatabaseUnavailable, "Database Unavailable") \
S(StatementUnavailable, "Statement with id '{}' Unavailable") \
S(SyntaxError, "Syntax Error") \
S(DatabaseDoesNotExist, "Database '{}' does not exist") \
S(SchemaDoesNotExist, "Schema '{}' does not exist") \
S(SchemaExists, "Schema '{}' already exist") \
S(TableDoesNotExist, "Table '{}' does not exist") \
S(TableExists, "Table '{}' already exist") \
S(InvalidType, "Invalid type '{}'") \
S(InvalidDatabaseName, "Invalid database name '{}'")
enum class SQLErrorCode {
#undef __ENUMERATE_SQL_ERROR
@ -120,6 +121,7 @@ private:
, m_update_count(update_count)
, m_insert_count(insert_count)
, m_delete_count(delete_count)
, m_has_results(command == SQLCommand::Select)
{
}