| Path : /var/www/html/biogreenas/BiogreenMangal/node_modules/drizzle-orm/sql-js/ |
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| Current File : //var/www/html/biogreenas/BiogreenMangal/node_modules/drizzle-orm/sql-js/session.js |
import { entityKind } from "../entity.js";
import { NoopLogger } from "../logger.js";
import { fillPlaceholders, sql } from "../sql/sql.js";
import { SQLiteTransaction } from "../sqlite-core/index.js";
import { SQLitePreparedQuery as PreparedQueryBase, SQLiteSession } from "../sqlite-core/session.js";
import { mapResultRow } from "../utils.js";
class SQLJsSession extends SQLiteSession {
constructor(client, dialect, schema, options = {}) {
super(dialect);
this.client = client;
this.schema = schema;
this.logger = options.logger ?? new NoopLogger();
}
static [entityKind] = "SQLJsSession";
logger;
prepareQuery(query, fields, executeMethod, isResponseInArrayMode) {
const stmt = this.client.prepare(query.sql);
return new PreparedQuery(stmt, query, this.logger, fields, executeMethod, isResponseInArrayMode);
}
prepareOneTimeQuery(query, fields, executeMethod, isResponseInArrayMode, customResultMapper) {
const stmt = this.client.prepare(query.sql);
return new PreparedQuery(
stmt,
query,
this.logger,
fields,
executeMethod,
isResponseInArrayMode,
customResultMapper,
true
);
}
transaction(transaction, config = {}) {
const tx = new SQLJsTransaction("sync", this.dialect, this, this.schema);
this.run(sql.raw(`begin${config.behavior ? ` ${config.behavior}` : ""}`));
try {
const result = transaction(tx);
this.run(sql`commit`);
return result;
} catch (err) {
this.run(sql`rollback`);
throw err;
}
}
}
class SQLJsTransaction extends SQLiteTransaction {
static [entityKind] = "SQLJsTransaction";
transaction(transaction) {
const savepointName = `sp${this.nestedIndex + 1}`;
const tx = new SQLJsTransaction("sync", this.dialect, this.session, this.schema, this.nestedIndex + 1);
tx.run(sql.raw(`savepoint ${savepointName}`));
try {
const result = transaction(tx);
tx.run(sql.raw(`release savepoint ${savepointName}`));
return result;
} catch (err) {
tx.run(sql.raw(`rollback to savepoint ${savepointName}`));
throw err;
}
}
}
class PreparedQuery extends PreparedQueryBase {
constructor(stmt, query, logger, fields, executeMethod, _isResponseInArrayMode, customResultMapper, isOneTimeQuery = false) {
super("sync", executeMethod, query);
this.stmt = stmt;
this.logger = logger;
this.fields = fields;
this._isResponseInArrayMode = _isResponseInArrayMode;
this.customResultMapper = customResultMapper;
this.isOneTimeQuery = isOneTimeQuery;
}
static [entityKind] = "SQLJsPreparedQuery";
run(placeholderValues) {
const params = fillPlaceholders(this.query.params, placeholderValues ?? {});
this.logger.logQuery(this.query.sql, params);
const result = this.stmt.run(params);
if (this.isOneTimeQuery) {
this.free();
}
return result;
}
all(placeholderValues) {
const { fields, joinsNotNullableMap, logger, query, stmt, isOneTimeQuery, customResultMapper } = this;
if (!fields && !customResultMapper) {
const params = fillPlaceholders(query.params, placeholderValues ?? {});
logger.logQuery(query.sql, params);
stmt.bind(params);
const rows2 = [];
while (stmt.step()) {
rows2.push(stmt.getAsObject());
}
if (isOneTimeQuery) {
this.free();
}
return rows2;
}
const rows = this.values(placeholderValues);
if (customResultMapper) {
return customResultMapper(rows, normalizeFieldValue);
}
return rows.map((row) => mapResultRow(fields, row.map((v) => normalizeFieldValue(v)), joinsNotNullableMap));
}
get(placeholderValues) {
const params = fillPlaceholders(this.query.params, placeholderValues ?? {});
this.logger.logQuery(this.query.sql, params);
const { fields, stmt, isOneTimeQuery, joinsNotNullableMap, customResultMapper } = this;
if (!fields && !customResultMapper) {
const result = stmt.getAsObject(params);
if (isOneTimeQuery) {
this.free();
}
return result;
}
const row = stmt.get(params);
if (isOneTimeQuery) {
this.free();
}
if (!row || row.length === 0 && fields.length > 0) {
return void 0;
}
if (customResultMapper) {
return customResultMapper([row], normalizeFieldValue);
}
return mapResultRow(fields, row.map((v) => normalizeFieldValue(v)), joinsNotNullableMap);
}
values(placeholderValues) {
const params = fillPlaceholders(this.query.params, placeholderValues ?? {});
this.logger.logQuery(this.query.sql, params);
this.stmt.bind(params);
const rows = [];
while (this.stmt.step()) {
rows.push(this.stmt.get());
}
if (this.isOneTimeQuery) {
this.free();
}
return rows;
}
free() {
return this.stmt.free();
}
/** @internal */
isResponseInArrayMode() {
return this._isResponseInArrayMode;
}
}
function normalizeFieldValue(value) {
if (value instanceof Uint8Array) {
if (typeof Buffer !== "undefined") {
if (!(value instanceof Buffer)) {
return Buffer.from(value);
}
return value;
}
if (typeof TextDecoder !== "undefined") {
return new TextDecoder().decode(value);
}
throw new Error("TextDecoder is not available. Please provide either Buffer or TextDecoder polyfill.");
}
return value;
}
export {
PreparedQuery,
SQLJsSession,
SQLJsTransaction
};
//# sourceMappingURL=session.js.map