Optimise the reverse
method in sqlAlias.ts.
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parent
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commit
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1 changed files with 16 additions and 7 deletions
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@ -126,16 +126,25 @@ export default class AliasTables {
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}
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}
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reverse<T extends Row | Row[]>(rows: T): T {
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reverse<T extends Row | Row[]>(rows: T): T {
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const mapping = new Map()
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const process = (row: Row) => {
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const process = (row: Row) => {
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const final: Row = {}
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const final: Row = {}
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for (let [key, value] of Object.entries(row)) {
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for (const key of Object.keys(row)) {
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if (!key.includes(".")) {
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let mappedKey = mapping.get(key)
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final[key] = value
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if (!mappedKey) {
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} else {
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const dotLocation = key.indexOf(".")
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const [alias, column] = key.split(".")
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if (dotLocation === -1) {
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const tableName = this.tableAliases[alias] || alias
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mappedKey = key
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final[`${tableName}.${column}`] = value
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} else {
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const alias = key.slice(0, dotLocation)
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const column = key.slice(dotLocation + 1)
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const tableName = this.tableAliases[alias] || alias
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mappedKey = `${tableName}.${column}`
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}
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mapping.set(key, mappedKey)
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}
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}
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final[mappedKey] = row[key]
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}
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}
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return final
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return final
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}
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}
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