Build a list of info codes based on a prepare flags bitmask. Return "estimated" necessary size for the result buffer.
| 60 | // Build a list of info codes based on a prepare flags bitmask. |
| 61 | // Return "estimated" necessary size for the result buffer. |
| 62 | unsigned StatementMetadata::buildInfoItems(Array<UCHAR>& items, unsigned flags) |
| 63 | { |
| 64 | items.clear(); |
| 65 | |
| 66 | if (flags & IStatement::PREPARE_PREFETCH_TYPE) |
| 67 | items.add(isc_info_sql_stmt_type); |
| 68 | |
| 69 | if (flags & IStatement::PREPARE_PREFETCH_FLAGS) |
| 70 | items.add(isc_info_sql_stmt_flags); |
| 71 | |
| 72 | if (flags & IStatement::PREPARE_PREFETCH_INPUT_PARAMETERS) |
| 73 | { |
| 74 | items.add(isc_info_sql_bind); |
| 75 | items.push(DESCRIBE_VARS, sizeof(DESCRIBE_VARS)); |
| 76 | } |
| 77 | |
| 78 | if (flags & IStatement::PREPARE_PREFETCH_OUTPUT_PARAMETERS) |
| 79 | { |
| 80 | items.add(isc_info_sql_select); |
| 81 | items.push(DESCRIBE_VARS, sizeof(DESCRIBE_VARS)); |
| 82 | } |
| 83 | |
| 84 | if (flags & IStatement::PREPARE_PREFETCH_LEGACY_PLAN) |
| 85 | items.add(isc_info_sql_get_plan); |
| 86 | |
| 87 | if (flags & IStatement::PREPARE_PREFETCH_DETAILED_PLAN) |
| 88 | items.add(isc_info_sql_explain_plan); |
| 89 | |
| 90 | return INFO_BUFFER_SIZE; |
| 91 | } |
| 92 | |
| 93 | // Build a prepare flags bitmask based on a list of info codes. |
| 94 | unsigned StatementMetadata::buildInfoFlags(unsigned itemsLength, const UCHAR* items) |