static ClientSession processSessionParameterChange(
Object parsedStatement, ClientSession session) {
if (parsedStatement instanceof Use) {
Use use = (Use) parsedStatement;
return ClientSession.withCatalogAndSchema(
session, use.getCatalog().orElse(session.getCatalog()), use.getSchema());
}
return session;
}
private static Request buildQueryRequest(ClientSession session, String query) {
Request.Builder builder =
preparePost()
.setUri(uriBuilderFrom(session.getServer()).replacePath("/v1/execute").build())
.setBodyGenerator(createStaticBodyGenerator(query, Charsets.UTF_8));
if (session.getUser() != null) {
builder.setHeader(PrestoHeaders.PRESTO_USER, session.getUser());
}
if (session.getSource() != null) {
builder.setHeader(PrestoHeaders.PRESTO_SOURCE, session.getSource());
}
if (session.getCatalog() != null) {
builder.setHeader(PrestoHeaders.PRESTO_CATALOG, session.getCatalog());
}
if (session.getSchema() != null) {
builder.setHeader(PrestoHeaders.PRESTO_SCHEMA, session.getSchema());
}
builder.setHeader(PrestoHeaders.PRESTO_SCHEMA, session.getTimeZoneId());
builder.setHeader(USER_AGENT, USER_AGENT_VALUE);
return builder.build();
}