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db: Track whether a db_stmt has been executed

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For some of the query methods in the next step we need to have an idea of
whether the stmt was executed (db_step function) so let's track that
explicitly.

Signed-off-by: Christian Decker <decker.christian@gmail.com>
This commit is contained in:
Christian Decker
2019-08-03 15:47:46 +02:00
committed by Rusty Russell
parent e65e4fcf4b
commit 98963c58e4
2 changed files with 4 additions and 0 deletions
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2
wallet/db.c
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@@ -593,6 +593,7 @@ struct db_stmt *db_prepare_v2_(const char *location, struct db *db,
stmt->location = location; stmt->location = location;
stmt->error = NULL; stmt->error = NULL;
stmt->db = db; stmt->db = db;
stmt->executed = false;
stmt->inner_stmt = NULL; stmt->inner_stmt = NULL;
tal_add_destructor(stmt, db_stmt_free); tal_add_destructor(stmt, db_stmt_free);
@@ -1346,6 +1347,7 @@ bool db_exec_prepared_v2(struct db_stmt *stmt TAKES)
{ {
const char *expanded_sql; const char *expanded_sql;
bool ret = stmt->db->config->exec_fn(stmt); bool ret = stmt->db->config->exec_fn(stmt);
stmt->executed = true;
if (stmt->db->config->expand_fn != NULL && ret && if (stmt->db->config->expand_fn != NULL && ret &&
!stmt->query->readonly) { !stmt->query->readonly) {
expanded_sql = stmt->db->config->expand_fn(stmt); expanded_sql = stmt->db->config->expand_fn(stmt);

2
wallet/db_common.h
View File

@@ -78,6 +78,8 @@ struct db_stmt {
/* Pointer to DB-specific statement. */ /* Pointer to DB-specific statement. */
void *inner_stmt; void *inner_stmt;
bool executed;
}; };
struct db_config { struct db_config {