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db: add optional column string helper, and make db_col amounts return sat/msat.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2023-07-22 16:42:57 +09:30
parent adee07125a
commit b6d347a6d3
6 changed files with 87 additions and 77 deletions
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20
db/bindings.c
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@@ -319,6 +319,17 @@ char *db_col_strdup(const tal_t *ctx,
return tal_strdup(ctx, (char *)stmt->db->config->column_text_fn(stmt, col));
}
char *db_col_strdup_optional(const tal_t *ctx,
struct db_stmt *stmt,
const char *colname)
{
size_t col = db_query_colnum(stmt, colname);
if (db_column_is_null(stmt, col))
return NULL;
return tal_strdup(ctx, (char *)stmt->db->config->column_text_fn(stmt, col));
}
void db_col_preimage(struct db_stmt *stmt, const char *colname,
struct preimage *preimage)
{
@@ -516,15 +527,14 @@ void db_col_amount_msat_or_default(struct db_stmt *stmt,
msat->millisatoshis = db_col_u64(stmt, colname); /* Raw: low level function */
}
void db_col_amount_msat(struct db_stmt *stmt, const char *colname,
struct amount_msat *msat)
struct amount_msat db_col_amount_msat(struct db_stmt *stmt, const char *colname)
{
msat->millisatoshis = db_col_u64(stmt, colname); /* Raw: low level function */
return amount_msat(db_col_u64(stmt, colname));
}
void db_col_amount_sat(struct db_stmt *stmt, const char *colname, struct amount_sat *sat)
struct amount_sat db_col_amount_sat(struct db_stmt *stmt, const char *colname)
{
sat->satoshis = db_col_u64(stmt, colname); /* Raw: low level function */
return amount_sat(db_col_u64(stmt, colname));
}
struct json_escape *db_col_json_escape(const tal_t *ctx,