Fetching query results through cloud object stores

A method, comprising:

• receiving a client request;
• determining, using a processor, one or more executors to generate a response to the client request;
• providing each of the one or more executors with an indication;
• receiving for each indication a response including an output of either a cloud output or an in-line output to generate a group of in-line outputs and a group of cloud outputs, wherein an in-line output represents a result having a size below a threshold value and a cloud output represents a result having a size above the threshold value;
• determining whether the group of in-line outputs comprises all outputs;
• and
• in response to the group of in-line outputs not comprising all the outputs:
• converting the group of in-line outputs to a converted group of cloud outputs 1 wherein a cloud output from the converted group of cloud outputs is obtained by aggregating in-line outputs from the group of in-line outputs;
• generating metadata for the converted group of cloud outputs and the group of cloud outputs;
• and
• providing response to the client request including the metadata for the converted group of cloud outputs and the group of cloud outputs.

A computer program product embodied in a non-transitory computer readable medium and comprising computer instructions for:

• receiving a client request;
• determining, using a processor, one or more executors to generate a response to the client request;
• providing each of the one or more executors with an indication;
• receiving for each indication a response including an output of either a cloud output or an in-line output to generate a group of in-line outputs and a group of cloud outputs, wherein an in-line output represents a result having a size below a threshold value and a cloud output represents a result having a size above the threshold value;
• determining whether the group of in-line outputs comprises all outputs;
• and
• in response to the group of in-line outputs not comprising all the outputs:
• converting the group of in-line outputs to a converted group of cloud outputs, wherein a cloud output from the converted group of cloud outputs is obtained by aggregating in-line outputs from the group of in-line outputs;
• generating metadata for the converted group of cloud outputs and the group of cloud outputs;
• and
• providing response to the client request including the metadata for the converted group of cloud outputs and the group of cloud outputs.