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53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
#ifndef LIGHTNING_DB_EXEC_H
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#define LIGHTNING_DB_EXEC_H
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#include "config.h"
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#include <ccan/short_types/short_types.h>
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#include <ccan/take/take.h>
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struct db;
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/**
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* db_set_intvar - Set an integer variable in the database
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*
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* Utility function to store generic integer values in the
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* database.
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*/
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void db_set_intvar(struct db *db, char *varname, s64 val);
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/**
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* db_get_intvar - Retrieve an integer variable from the database
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*
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* Either returns the value in the database, or @defval if
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* the query failed or no such variable exists.
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*/
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s64 db_get_intvar(struct db *db, char *varname, s64 defval);
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/* Get the current data version (entries). */
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u32 db_data_version_get(struct db *db);
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/* Get the current database version (migrations). */
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int db_get_version(struct db *db);
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/**
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* db_begin_transaction - Begin a transaction
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*
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* Begin a new DB transaction. fatal() on database error.
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*/
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#define db_begin_transaction(db) \
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db_begin_transaction_((db), __FILE__ ":" stringify(__LINE__))
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void db_begin_transaction_(struct db *db, const char *location);
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bool db_in_transaction(struct db *db);
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/**
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* db_commit_transaction - Commit a running transaction
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*
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* Requires that we are currently in a transaction. fatal() if we
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* fail to commit.
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*/
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void db_commit_transaction(struct db *db);
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#endif /* LIGHTNING_DB_EXEC_H */
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