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WIP: Support binding multiple rows #222

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WIP: Support binding multiple rows #222

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krlmlr Aug 30, 2021
8e97004
Support binding multiple rows
krlmlr Sep 5, 2021
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14 changes: 9 additions & 5 deletions src/MariaBinding.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -57,10 +57,10 @@ void MariaBinding::init_binding(const List& params_) {
binding_update(j, MYSQL_TYPE_TINY, 1);
break;
case MY_INT32:
binding_update(j, MYSQL_TYPE_LONG, 4);
binding_update(j, MYSQL_TYPE_LONG, 4 * n_rows);
break;
case MY_DBL:
binding_update(j, MYSQL_TYPE_DOUBLE, 8);
binding_update(j, MYSQL_TYPE_DOUBLE, 8 * n_rows);
break;
case MY_DATE:
binding_update(j, MYSQL_TYPE_DATE, sizeof(MYSQL_TIME));
Expand Down Expand Up @@ -89,6 +89,8 @@ bool MariaBinding::bind_next_row() {

if (i >= n_rows) return false;

R_xlen_t delta = n_rows - i;

for (int j = 0; j < p; ++j) {
LOG_VERBOSE << j << " -> " << type_name(types[j]);

Expand Down Expand Up @@ -177,11 +179,13 @@ bool MariaBinding::bind_next_row() {
is_null[j] = missing;
}

LOG_VERBOSE << "Binding";
LOG_DEBUG << "Binding";
mysql_stmt_bind_param(statement, &bindings[0]);

LOG_VERBOSE << "Done binding row" << i;
i++;
mysql_stmt_attr_set(statement, STMT_ATTR_ARRAY_SIZE, &delta);

LOG_DEBUG << "Done binding row " << i << " (" << delta << ")";
i += delta;
return true;
}

Expand Down