@ -1,20 +1,26 @@
/* eslint-disable no-async-promise-executor */
import { Readable } from 'stream' ;
import { isLinksOrLTAR , RelationTypes } from 'nocodb-sdk' ;
import sizeof from 'object-sizeof' ;
import { Logger } from '@nestjs/common' ;
import EntityMap from './EntityMap' ;
import type { BulkDataAliasService } from '../../../../../services/bulk-data-alias.service' ;
import type { TablesService } from '../../../../../services/tables.service' ;
// @ts-ignore
import PQueue from 'p-queue' ;
import type { BulkDataAliasService } from '~/services/bulk-data-alias.service' ;
import type { TablesService } from '~/services/tables.service' ;
import type { AirtableBase } from 'airtable/lib/airtable_base' ;
import type { TableType } from 'nocodb-sdk' ;
import type { Source } from '~/models' ;
const logger = new Logger ( 'BaseModelSqlv2 ' ) ;
const logger = new Logger ( 'at-import:readAndProcessData ' ) ;
const BULK_DATA_BATCH_COUNT = 20 ; // check size for every 100 records
const BULK_DATA_BATCH_SIZE = 50 * 1024 ; // in bytes
const BULK_LINK_BATCH_COUNT = 1000 ; // process 1000 records at a time
const BULK_PARALLEL_PROCESS = 5 ;
const BULK_DATA_BATCH_COUNT =
+ process . env . AT_IMPORT_BULK_DATA_BATCH_COUNT || 10 ; // check size for every N records
const BULK_DATA_BATCH_SIZE =
+ process . env . AT_IMPORT_BULK_DATA_BATCH_SIZE || 20 * 1024 ; // import N bytes at a time
const BULK_LINK_BATCH_COUNT =
+ process . env . AT_IMPORT_BULK_LINK_BATCH_COUNT || 200 ; // import N links at a time
const BULK_PARALLEL_PROCESS = + process . env . AT_IMPORT_BULK_PARALLEL_PROCESS || 2 ; // process N records at a time
const STREAM_BUFFER_LIMIT = + process . env . AT_IMPORT_STREAM_BUFFER_LIMIT || 100 ; // pause reading if we have more than N records to avoid backpressure
const QUEUE_BUFFER_LIMIT = + process . env . AT_IMPORT_QUEUE_BUFFER_LIMIT || 20 ; // pause streaming if we have more than N records in the queue
interface AirtableImportContext {
bulkDataService : BulkDataAliasService ;
@ -25,53 +31,62 @@ async function readAllData({
table ,
fields ,
atBase ,
dataStream ,
counter ,
logBasic = ( _str ) = > { } ,
logWarning = ( _str ) = > { } ,
} : {
table : { title? : string } ;
fields ? ;
atBase : AirtableBase ;
dataStream : Readable ;
counter ? : { streamingCounter : number } ;
logBasic ? : ( string ) = > void ;
logDetailed ? : ( string ) = > void ;
logWarning ? : ( string ) = > void ;
} ) : Promise < EntityMap > {
} ) : Promise < boolean > {
return new Promise ( ( resolve ) = > {
let data = null ;
const selectParams : any = {
pageSize : 100 ,
} ;
if ( fields ) selectParams . fields = fields ;
let recordCounter = 0 ;
atBase ( table . title )
. select ( selectParams )
. eachPage (
async function page ( records , fetchNextPage ) {
if ( ! data ) {
/ *
EntityMap is a sqlite3 table dynamically populated based on json data provided
It is used to store data temporarily and then stream it in bulk to import
This is done to avoid memory issues - heap out of memory - while importing large data
* /
data = new EntityMap ( ) ;
await data . init ( ) ;
}
for await ( const record of records ) {
await data . addRow ( { id : record.id , . . . record . fields } ) ;
let tempCounter = 0 ;
for ( const record of records ) {
dataStream . push (
JSON . stringify ( { id : record.id , . . . record . fields } ) ,
) ;
counter . streamingCounter ++ ;
recordCounter ++ ;
tempCounter ++ ;
}
const tmpLength = await data . getCount ( ) ;
logBasic (
` :: Reading ' ${ table . title } ' data :: ${ Math . max (
1 ,
tmpLength - records . length ,
) } - $ { tmpLength } ` ,
recordCounter - tempCounter ,
) } - $ { recordCounter } ` ,
) ;
// pause reading if we have more than STREAM_BUFFER_LIMIT to avoid backpressure
if ( counter && counter . streamingCounter >= STREAM_BUFFER_LIMIT ) {
await new Promise ( ( resolve ) = > {
const interval = setInterval ( ( ) = > {
if ( counter . streamingCounter < STREAM_BUFFER_LIMIT / 2 ) {
clearInterval ( interval ) ;
resolve ( true ) ;
}
} , 100 ) ;
} ) ;
}
// To fetch the next page of records, call `fetchNextPage`.
// If there are more records, `page` will get called again.
// If there are no more records, `done` will get called.
@ -84,7 +99,8 @@ async function readAllData({
` There were errors on reading ' ${ table . title } ' data :: ${ err } ` ,
) ;
}
resolve ( data ) ;
dataStream . push ( null ) ;
resolve ( true ) ;
} ,
) ;
} ) ;
@ -95,107 +111,154 @@ export async function importData({
table ,
atBase ,
nocoBaseDataProcessing_v2 ,
sDB ,
syncDB ,
source ,
logBasic = ( _str ) = > { } ,
logDetailed = ( _str ) = > { } ,
logWarning = ( _str ) = > { } ,
services ,
// link related props start
insertedAssocRef = { } ,
atNcAliasRef ,
ncLinkMappingTable ,
} : {
baseName : string ;
table : { title? : string ; id? : string } ;
fields ? ;
atBase : AirtableBase ;
source : Source ;
logBasic : ( string ) = > void ;
logDetailed : ( string ) = > void ;
logWarning : ( string ) = > void ;
nocoBaseDataProcessing_v2 ;
sDB ;
// link related props start
insertedAssocRef : { [ assocTableId : string ] : boolean } ;
atNcAliasRef : {
[ ncTableId : string ] : {
[ ncTitle : string ] : string ;
} ;
} ;
ncLinkMappingTable : Record < string , Record < string , any > > [ ] ;
// link related props end
syncDB ;
services : AirtableImportContext ;
} ) : Promise < EntityMap > {
} ) : Promise < {
nestedLinkCount : number ;
importedCount : number ;
} > {
try {
// returns EntityMap which allows us to stream data
const records : EntityMap = await readAllData ( {
const counter = {
streamingCounter : 0 ,
} ;
const dataStream = new Readable ( {
read() { } ,
} ) ;
dataStream . pause ( ) ;
readAllData ( {
table ,
atBase ,
logDetailed ,
dataStream ,
counter ,
logBasic ,
logDetailed ,
logWarning ,
} ) . catch ( ( e ) = > {
logWarning ( ` There were errors on reading ' ${ table . title } ' data :: ${ e } ` ) ;
} ) ;
await new Promise ( async ( resolve ) = > {
const readable = records . getStream ( ) ;
const allRecordsCount = await records . getCount ( ) ;
const promises = [ ] ;
return new Promise ( async ( resolve ) = > {
const queue = new PQueue ( { concurrency : BULK_PARALLEL_PROCESS } ) ;
const ltarPromise = importLTARData ( {
table ,
baseName ,
insertedAssocRef ,
dataStream ,
atNcAliasRef ,
ncLinkMappingTable ,
syncDB ,
source ,
services ,
queue ,
logBasic ,
logDetailed ,
logWarning ,
} ) . catch ( ( e ) = > {
logWarning (
` There were errors on importing ' ${ table . title } ' LTAR data :: ${ e } ` ,
) ;
} ) ;
let tempData = [ ] ;
let importedCount = 0 ;
let nestedLinkCount = 0 ;
let tempCount = 0 ;
// we keep track of active process to pause and resume the stream as we have async calls within the stream and we don't want to load all data in memory
let activeProcess = 0 ;
readable . on ( 'data' , async ( record ) = > {
promises . push (
new Promise ( async ( resolve ) = > {
try {
activeProcess ++ ;
if ( activeProcess >= BULK_PARALLEL_PROCESS ) readable . pause ( ) ;
const { id : rid , . . . fields } = record ;
const r = await nocoBaseDataProcessing_v2 ( sDB , table , {
id : rid ,
fields ,
} ) ;
tempData . push ( r ) ;
tempCount ++ ;
if ( tempCount >= BULK_DATA_BATCH_COUNT ) {
if ( sizeof ( tempData ) >= BULK_DATA_BATCH_SIZE ) {
readable . pause ( ) ;
let insertArray = tempData . splice ( 0 , tempData . length ) ;
await services . bulkDataService . bulkDataInsert ( {
baseName ,
tableName : table.id ,
body : insertArray ,
cookie : { } ,
skip_hooks : true ,
} ) ;
logBasic (
` :: Importing ' ${
table . title
} ' data : : $ { importedCount } - $ { Math . min (
importedCount + insertArray . length ,
allRecordsCount ,
) } ` ,
) ;
dataStream . on ( 'data' , async ( record ) = > {
counter . streamingCounter -- ;
record = JSON . parse ( record ) ;
queue . add (
( ) = >
new Promise ( async ( resolve ) = > {
try {
const { id : rid , . . . fields } = record ;
const r = await nocoBaseDataProcessing_v2 ( syncDB , table , {
id : rid ,
fields ,
} ) ;
tempData . push ( r ) ;
tempCount ++ ;
if ( tempCount >= BULK_DATA_BATCH_COUNT ) {
if ( sizeof ( tempData ) >= BULK_DATA_BATCH_SIZE ) {
let insertArray = tempData . splice ( 0 , tempData . length ) ;
await services . bulkDataService . bulkDataInsert ( {
baseName ,
tableName : table.id ,
body : insertArray ,
cookie : { } ,
skip_hooks : true ,
foreign_key_checks : ! ! source . isMeta ( ) ,
} ) ;
logBasic (
` :: Importing ' ${
table . title
} ' data : : $ { importedCount } - $ {
importedCount + insertArray . length
} ` ,
) ;
importedCount += insertArray . length ;
insertArray = [ ] ;
}
tempCount = 0 ;
}
importedCount += insertArray . length ;
insertArray = [ ] ;
if ( queue . size < QUEUE_BUFFER_LIMIT / 2 ) dataStream . resume ( ) ;
readable . resume ( ) ;
}
tempCount = 0 ;
resolve ( true ) ;
} catch ( e ) {
logger . error ( e ) ;
logWarning (
` There were errors on importing ' ${ table . title } ' data :: ${ e } ` ,
) ;
if ( queue . size < QUEUE_BUFFER_LIMIT / 2 ) dataStream . resume ( ) ;
resolve ( true ) ;
}
activeProcess -- ;
if ( activeProcess < BULK_PARALLEL_PROCESS ) readable . resume ( ) ;
resolve ( true ) ;
} catch ( e ) {
logger . error ( e ) ;
logWarning (
` There were errors on importing ' ${ table . title } ' data :: ${ e } ` ,
) ;
readable . resume ( ) ;
resolve ( true ) ;
}
} ) ,
} ) ,
) ;
if ( queue . size >= QUEUE_BUFFER_LIMIT ) dataStream . pause ( ) ;
} ) ;
readable . on ( 'end' , async ( ) = > {
dataStream . on ( 'end' , async ( ) = > {
try {
// ensure all chunks are processed
await Promise . all ( promises ) ;
await queue . onIdle ( ) ;
// insert remaining data
if ( tempData . length > 0 ) {
@ -205,31 +268,36 @@ export async function importData({
body : tempData ,
cookie : { } ,
skip_hooks : true ,
foreign_key_checks : ! ! source . isMeta ( ) ,
} ) ;
logBasic (
` :: Importing ' ${
table . title
} ' data : : $ { importedCount } - $ { Math . min (
importedCount + tempData . length ,
allRecordsCount ,
) } ` ,
` :: Importing ' ${ table . title } ' data :: ${ importedCount } - ${
importedCount + tempData . length
} ` ,
) ;
importedCount += tempData . length ;
tempData = [ ] ;
}
resolve ( true ) ;
nestedLinkCount = ( await ltarPromise ) as number ;
resolve ( {
importedCount ,
nestedLinkCount ,
} ) ;
} catch ( e ) {
logger . error ( e ) ;
logWarning (
` There were errors on importing ' ${ table . title } ' data :: ${ e } ` ,
) ;
resolve ( true ) ;
resolve ( {
importedCount ,
nestedLinkCount ,
} ) ;
}
} ) ;
} ) ;
return records ;
} catch ( e ) {
throw e ;
}
@ -237,25 +305,22 @@ export async function importData({
export async function importLTARData ( {
table ,
fields ,
atBase ,
baseName ,
insertedAssocRef = { } ,
records ,
dataStream ,
atNcAliasRef ,
ncLinkMappingTable ,
syncDB ,
source ,
services ,
queue ,
logBasic = ( _str ) = > { } ,
logDetailed = ( _str ) = > { } ,
logWarning = ( _str ) = > { } ,
} : {
baseName : string ;
table : { title? : string ; id? : string } ;
fields ;
atBase : AirtableBase ;
insertedAssocRef : { [ assocTableId : string ] : boolean } ;
records? : EntityMap ;
dataStream? : Readable ;
atNcAliasRef : {
[ ncTableId : string ] : {
[ ncTitle : string ] : string ;
@ -263,26 +328,19 @@ export async function importLTARData({
} ;
ncLinkMappingTable : Record < string , Record < string , any > > [ ] ;
syncDB ;
source : Source ;
services : AirtableImportContext ;
queue : PQueue ;
logBasic : ( string ) = > void ;
logDetailed : ( string ) = > void ;
logWarning : ( string ) = > void ;
} ) {
} ) : Promise < number > {
const assocTableMetas : Array < {
modelMeta : { id? : string ; title? : string } ;
colMeta : { title? : string } ;
curCol : { title? : string } ;
refCol : { title? : string } ;
} > = [ ] ;
const allData : EntityMap =
records ||
( await readAllData ( {
table ,
fields ,
atBase ,
logDetailed ,
logBasic ,
} ) ) ;
const modelMeta : any =
await services . tableService . getTableWithAccessibleViews ( {
@ -329,108 +387,116 @@ export async function importLTARData({
let nestedLinkCnt = 0 ;
let importedCount = 0 ;
let assocTableData = [ ] ;
// Iterate over all related M2M associative table
for ( const assocMeta of assocTableMetas ) {
// extract link data from records
await new Promise ( ( resolve ) = > {
const promises = [ ] ;
const readable = allData . getStream ( ) ;
readable . on ( 'data' , async ( record ) = > {
promises . push (
new Promise ( async ( resolve ) = > {
try {
const { id : _atId , . . . rec } = record ;
// todo: use actual alias instead of sanitized
assocTableData . push (
. . . (
rec ? . [ atNcAliasRef [ table . id ] [ assocMeta . colMeta . title ] ] || [ ]
) . map ( ( id ) = > ( {
[ assocMeta . curCol . title ] : record . id ,
[ assocMeta . refCol . title ] : id ,
} ) ) ,
) ;
if ( assocTableData . length >= BULK_LINK_BATCH_COUNT ) {
readable . pause ( ) ;
let insertArray = assocTableData . splice (
0 ,
assocTableData . length ,
const assocTableData = { } ;
// extract link data from records
return new Promise ( ( resolve , reject ) = > {
dataStream . on ( 'data' , async ( record ) = > {
record = JSON . parse ( record ) ;
// Iterate over all related M2M associative table
for ( const assocMeta of assocTableMetas ) {
if ( ! assocTableData [ assocMeta . modelMeta . id ] ) {
assocTableData [ assocMeta . modelMeta . id ] = [ ] ;
}
queue . add (
( ) = >
new Promise ( async ( resolve ) = > {
try {
const { id : _atId , . . . rec } = record ;
// todo: use actual alias instead of sanitized
assocTableData [ assocMeta . modelMeta . id ] . push (
. . . (
rec ? . [ atNcAliasRef [ table . id ] [ assocMeta . colMeta . title ] ] || [ ]
) . map ( ( id ) = > ( {
[ assocMeta . curCol . title ] : record . id ,
[ assocMeta . refCol . title ] : id ,
} ) ) ,
) ;
logBasic (
` :: Importing ' ${
table . title
} ' LTAR data : : $ { importedCount } - $ {
importedCount + insertArray . length
} ` ,
) ;
if (
assocTableData [ assocMeta . modelMeta . id ] . length >=
BULK_LINK_BATCH_COUNT
) {
let insertArray = assocTableData [
assocMeta . modelMeta . id
] . splice ( 0 , assocTableData [ assocMeta . modelMeta . id ] . length ) ;
await services . bulkDataService . bulkDataInsert ( {
baseName ,
tableName : assocMeta.modelMeta.id ,
body : insertArray ,
cookie : { } ,
skip_hooks : true ,
} ) ;
const lastImportedCount = importedCount ;
importedCount += insertArray . length ;
logBasic (
` :: Importing ' ${
table . title
} ' LTAR data : : $ { lastImportedCount } - $ {
lastImportedCount + insertArray . length
} ` ,
) ;
await services . bulkDataService . bulkDataInsert ( {
baseName ,
tableName : assocMeta.modelMeta.id ,
body : insertArray ,
cookie : { } ,
skip_hooks : true ,
foreign_key_checks : ! ! source . isMeta ( ) ,
} ) ;
importedCount += insertArray . length ;
insertArray = [ ] ;
insertArray = [ ] ;
}
readable . resume ( ) ;
if ( queue . size < QUEUE_BUFFER_LIMIT / 2 ) dataStream . resume ( ) ;
resolve ( true ) ;
} catch ( e ) {
logger . error ( e ) ;
logWarning (
` There were errors on importing ' ${ table . title } ' LTAR data :: ${ e } ` ,
) ;
if ( queue . size < QUEUE_BUFFER_LIMIT / 2 ) dataStream . resume ( ) ;
resolve ( true ) ;
}
resolve ( true ) ;
} catch ( e ) {
logger . error ( e ) ;
logWarning (
` There were errors on importing ' ${ table . title } ' LTAR data :: ${ e } ` ,
) ;
readable . resume ( ) ;
resolve ( true ) ;
}
} ) ,
} ) ,
) ;
} ) ;
readable . on ( 'end' , async ( ) = > {
try {
// ensure all chunks are processed
await Promise . all ( promises ) ;
}
if ( queue . size >= QUEUE_BUFFER_LIMIT ) dataStream . pause ( ) ;
} ) ;
dataStream . on ( 'end' , async ( ) = > {
try {
// ensure all chunks are processed
await queue . onIdle ( ) ;
for ( const assocMeta of assocTableMetas ) {
// insert remaining data
if ( assocTableData . length >= 0 ) {
if ( assocTableData [ assocMeta . modelMeta . id ] . length >= 0 ) {
logBasic (
` :: Importing ' ${ table . title } ' LTAR data :: ${ importedCount } - ${
importedCount + assocTableData . length
importedCount + assocTableData [ assocMeta . modelMeta . id ] . length
} ` ,
) ;
await services . bulkDataService . bulkDataInsert ( {
baseName ,
tableName : assocMeta.modelMeta.id ,
body : assocTableData ,
body : assocTableData [ assocMeta . modelMeta . id ] ,
cookie : { } ,
skip_hooks : true ,
foreign_key_checks : ! ! source . isMeta ( ) ,
} ) ;
importedCount += assocTableData . length ;
assocTableData = [ ] ;
importedCount += assocTableData [ assocMeta . modelMeta . id ] . length ;
assocTableData [ assocMeta . modelMeta . id ] = [ ] ;
}
}
nestedLinkCnt += importedCount ;
nestedLinkCnt += importedCount ;
resolve ( true ) ;
} catch ( e ) {
logger . error ( e ) ;
logWarning (
` There were errors on importing ' ${ table . title } ' LTAR data :: ${ e } ` ,
) ;
resolve ( true ) ;
}
} ) ;
resolve ( nestedLinkCnt ) ;
} catch ( e ) {
reject ( e ) ;
}
} ) ;
}
return nestedLinkCnt ;
// resume the stream after all listeners are attached
dataStream . resume ( ) ;
} ) ;
}
Mert E
9 months ago
committed by
GitHub