Task: Join data from Postgres and MySQL

n8n workflow JSON:
{"nodes":[{"name":"emitirEtiqueta","type":"n8n-nodes-base.webhook","position":[440,1290],"webhookId":"4431a14c-62c6-4602-8e20-e661f1d3d706","parameters":{"path":"emitirEtiqueta","options":{},"httpMethod":"POST","responseData":"allEntries","responseMode":"lastNode"},"typeVersion":1},{"name":"dadosProduto","type":"n8n-nodes-base.mySql","position":[1270,1440],"parameters":{"query":"=-- CONSULTA DO PRODUTO GRADE\nWITH pg as (\n\tSELECT\n\t\tid,\n\t\tid_produto,\n\t\tid_gradex,\n\t\tid_gradey,\n\t\tcodigo \n\tFROM\n\t\tproduto_grade \n\tWHERE\n\t\tid = '{{$node[\"emitirEtiqueta\"].json[\"body\"][\"id_produto_grade\"]}}'\n),\n\n-- CONSULTA DO PRODUTO\np as (\n\tSELECT * FROM produto \n\tWHERE id IN ( SELECT id_produto  FROM pg)\n\tAND situacao = 'ATIVO'\n),\n\n-- CONSULTA TECIDO\nt as (\n\tSELECT\n\t\ttoken,\n\t\t JSON_UNQUOTE(json_extract( objeto, '$.largura')) AS largura\n\tFROM\n\t\t`{{$node[\"PegarConfiguracaoImpressao\"].json[\"params\"][\"bancoRelatorio\"]}}`.`i_objeto` \n\tWHERE\n\t\tmodulo = 'produto_grade_tecido'\n\t\tand token in (select id from pg)\n\t\tand situacao = 'ATIVO'\n),\n\n\n-- CONSULTA COMPOSICAO\ncp as (\n\t\n\tSELECT\n\t  token,\n    group_concat(concat(cps.participacao,'% ',cps.descricao)) as composicao\n\tFROM\n\t\t`{{$node[\"PegarConfiguracaoImpressao\"].json[\"params\"][\"bancoRelatorio\"]}}`.`i_objeto`,\n\t\tJSON_TABLE (\n\t\t\t\t\t\t\t\t\tobjeto,\n\t\t\t\t\t\t\t\t\t\t\t'$[*]' COLUMNS (  \n\t\t\t\t\t\t\t\t\t\t\t\t\tparticipacao INT path '$.participacao',\n\t\t\t\t\t\t\t\t\t\t\t\t\tdescricao TEXT path '$.descricao'\n\t\t\t\t\t\t\t\t\t\t\t)\n\t\t\t\t\t\t\t) AS cps \n\t\tWHERE modulo = 'produto_grade_tecido_composicao'\n\t\tAND token in (select id from pg)\n\t\tAND situacao = 'ATIVO'\n\t\tAND cps.participacao > 0\n\t\tGROUP BY token\n\t\tORDER BY participacao desc\n\t\t\n)\n\n\n-- CONSULTA RELATORIO\nSELECT\n{{$node[\"emitirEtiqueta\"].json[\"body\"][\"id_movimentacao_detalhe\"]}} as id_movimentacao_detalhe ,\n     pg.id, \n\tpg.codigo,\n\tp.descricao,\n\tm.nome as marca,\n\tgx.nome as gradex,\n\tgy.nome as gradey,\n\tcurdate() as data_entrada,\n  t.largura,\n\tcp.composicao\nFROM\n\tpg inner join p on (p.id = pg.id_produto)\n\tinner join marca m on(m.id = p.id_marca)\n\tleft join grade gx on (gx.id = pg.id_gradex)\n\tleft join grade gy on (gy.id = pg.id_gradey)\n\tleft join t on (t.token = pg.id)\n\tleft join cp on (cp.token = pg.id)","operation":"executeQuery"},"credentials":{"mySql":{"id":"2","name":"illi"}},"typeVersion":1},{"name":"PegarConfiguracaoImpressao","type":"n8n-nodes-base.httpRequest","position":[730,1290],"parameters":{"url":"http://localhost:1337/parse/config","options":{},"jsonParameters":true,"headerParametersJson":"{\"X-Parse-Application-Id\": \"iwms\"}"},"typeVersion":1},{"name":"dadosRolo","type":"n8n-nodes-base.postgres","position":[1260,1220],"parameters":{"query":"=select * from \"tecido_rolo\"\nwhere \"objectId\" in ('{{$json[\"idRolos\"].join(\"','\")}}')","operation":"executeQuery","additionalFields":{}},"credentials":{"postgres":{"id":"1","name":"Postgres account"}},"typeVersion":1},{"name":"trataRetorno","type":"n8n-nodes-base.function","position":[1010,1220],"parameters":{"functionCode":"// Code here will run only once, no matter how many input items there are.\n// More info and help: https://docs.n8n.io/nodes/n8n-nodes-base.function\n\n\n// var produto = items[0].json;\n\n\nvar rolos = $node[\"emitirEtiqueta\"].json[\"body\"][\"rolos\"];\n\n\nvar idRolos = rolos.map(\n    function(rolo){\n        return rolo.objectId\n    });\n    \nvar retorno = [];\n\nretorno.push({json:{\n   // produto:produto,\n    idRolos:idRolos \n}})\n\nreturn retorno;"},"typeVersion":1},{"name":"roloProduto","type":"n8n-nodes-base.merge","position":[1640,1330],"parameters":{"mode":"mergeByKey","propertyName1":"id_movimentacao_detalhe","propertyName2":"id_movimentacao_detalhe"},"typeVersion":1}],"connections":{"dadosRolo":{"main":[[{"node":"roloProduto","type":"main","index":0}]]},"dadosProduto":{"main":[[{"node":"roloProduto","type":"main","index":1}]]},"trataRetorno":{"main":[[{"node":"dadosRolo","type":"main","index":0}]]},"emitirEtiqueta":{"main":[[{"node":"PegarConfiguracaoImpressao","type":"main","index":0}]]},"PegarConfiguracaoImpressao":{"main":[[{"node":"dadosProduto","type":"main","index":0},{"node":"trataRetorno","type":"main","index":0}]]}}}