node-firebird-driver-native
Version:
Firebird Native Driver for Node.js
86 lines • 3.75 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __exportStar = (this && this.__exportStar) || function(m, exports) {
for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.fixMetadata = fixMetadata;
exports.createDescriptors = createDescriptors;
const impl_1 = require("node-firebird-driver/dist/lib/impl");
__exportStar(require("node-firebird-driver/dist/lib/impl"), exports);
/** Fix metadata descriptors to types we want to read. */
function fixMetadata(status, metadata) {
if (!metadata)
return undefined;
let ret;
const outBuilder = metadata.getBuilderSync(status);
try {
for (let i = metadata.getCountSync(status) - 1; i >= 0; --i) {
switch (metadata.getTypeSync(status, i)) {
// Transform CHAR descriptors to VARCHAR.
case impl_1.sqlTypes.SQL_TEXT:
outBuilder.setTypeSync(status, i, impl_1.sqlTypes.SQL_VARYING);
break;
// Transform numeric descriptors to DOUBLE PRECISION.
case impl_1.sqlTypes.SQL_SHORT:
case impl_1.sqlTypes.SQL_LONG:
case impl_1.sqlTypes.SQL_INT64:
case impl_1.sqlTypes.SQL_FLOAT:
outBuilder.setTypeSync(status, i, impl_1.sqlTypes.SQL_DOUBLE);
outBuilder.setLengthSync(status, i, 8);
outBuilder.setScaleSync(status, i, 0);
break;
// Transform TIME_TZ to TIME_TZ_EX.
case impl_1.sqlTypes.SQL_TIME_TZ:
outBuilder.setTypeSync(status, i, impl_1.sqlTypes.SQL_TIME_TZ_EX);
break;
// Transform TIMESTAMP_TZ to TIMESTAMP_TZ_EX.
case impl_1.sqlTypes.SQL_TIMESTAMP_TZ:
outBuilder.setTypeSync(status, i, impl_1.sqlTypes.SQL_TIMESTAMP_TZ_EX);
break;
// Transform INT128, DEC16 and DEC34 descriptors to VARCHAR.
case impl_1.sqlTypes.SQL_INT128:
case impl_1.sqlTypes.SQL_DEC16:
case impl_1.sqlTypes.SQL_DEC34:
outBuilder.setTypeSync(status, i, impl_1.sqlTypes.SQL_VARYING);
outBuilder.setLengthSync(status, i, 45);
outBuilder.setCharSetSync(status, i, impl_1.charSets.ascii);
break;
}
}
ret = outBuilder.getMetadataSync(status);
}
finally {
outBuilder.releaseSync();
}
metadata.releaseSync();
return ret;
}
function createDescriptors(status, metadata) {
if (!metadata)
return [];
const count = metadata.getCountSync(status);
const ret = [];
for (let i = 0; i < count; ++i) {
ret.push({
type: metadata.getTypeSync(status, i),
subType: metadata.getSubTypeSync(status, i),
nullOffset: metadata.getNullOffsetSync(status, i),
offset: metadata.getOffsetSync(status, i),
length: metadata.getLengthSync(status, i),
scale: metadata.getScaleSync(status, i)
});
}
return ret;
}
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