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Db: Add exec reader by prepared statement

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gnosygnu
2017-03-24 09:02:22 -04:00
parent 7269befb14
commit 66f744b11d
4 changed files with 83 additions and 48 deletions
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9
140_dbs/src/gplx/dbs/Db_sql_.java
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@@ -48,4 +48,13 @@ public class Db_sql_ {
}
return dirty ? bfr.To_bry_and_clear() : raw;
}
public static String Prep_in_from_ary(Object ary) {
Bry_bfr bfr = Bry_bfr_.New();
int len = Array_.Len(ary);
for (int i = 0; i < len; i++) {
if (i != 0) bfr.Add_byte(Byte_ascii.Comma);
bfr.Add_byte(Byte_ascii.Question);
}
return bfr.To_str_and_clear();
}
}

4
140_dbs/src/gplx/dbs/Db_stmt_.java
View File

@@ -46,6 +46,10 @@ public class Db_stmt_ {
public static Db_stmt new_select_as_rdr(Db_conn conn, String sql) {
return conn.Stmt_new(Db_qry_sql.rdr_(sql));
}
public static Db_stmt New_sql_lines(Db_conn conn, String... lines) {
Db_qry qry = Db_qry_sql.sql_(String_.Concat_with_str("\n", lines));
return conn.Stmt_new(qry);
}
public static Err err_(Exception e, Db_stmt stmt, String proc) {
throw Err_.new_exc(e, "db", "db stmt failed", "proc", proc);
}