qloadm("tools/tpch/001.qs")
duckdb <- asNamespace("duckdb")
drv <- duckdb::duckdb()
con <- DBI::dbConnect(drv)
experimental <- FALSE
invisible(duckdb$rapi_load_rfuns(drv@database_ref))
invisible(DBI::dbExecute(con, 'CREATE MACRO "___coalesce"(x, y) AS COALESCE(x, y)'))
invisible(DBI::dbExecute(con, 'CREATE MACRO "|"(x, y) AS (x OR y)'))
invisible(DBI::dbExecute(con, 'CREATE MACRO "=="(x, y) AS (x == y)'))
invisible(
DBI::dbExecute(
con,
'CREATE MACRO "if_else"(test, yes, no) AS (CASE WHEN test THEN yes ELSE no END)'
)
)
invisible(DBI::dbExecute(con, 'CREATE MACRO "&"(x, y) AS (x AND y)'))
df1 <- lineitem
"filter"
rel1 <- duckdb$rel_from_df(con, df1, experimental = experimental)
"filter"
rel2 <- duckdb$rel_filter(
rel1,
list(
duckdb$expr_function(
"___coalesce",
list(
duckdb$expr_function(
"|",
list(
duckdb$expr_function(
"r_base::==",
list(
duckdb$expr_reference("l_shipmode"),
if ("experimental" %in% names(formals(duckdb$expr_constant))) {
duckdb$expr_constant("MAIL", experimental = experimental)
} else {
duckdb$expr_constant("MAIL")
}
)
),
duckdb$expr_function(
"r_base::==",
list(
duckdb$expr_reference("l_shipmode"),
if ("experimental" %in% names(formals(duckdb$expr_constant))) {
duckdb$expr_constant("SHIP", experimental = experimental)
} else {
duckdb$expr_constant("SHIP")
}
)
)
)
),
if ("experimental" %in% names(formals(duckdb$expr_constant))) {
duckdb$expr_constant(FALSE, experimental = experimental)
} else {
duckdb$expr_constant(FALSE)
}
)
),
duckdb$expr_function(
"r_base::<",
list(duckdb$expr_reference("l_commitdate"), duckdb$expr_reference("l_receiptdate"))
),
duckdb$expr_function(
"r_base::<",
list(duckdb$expr_reference("l_shipdate"), duckdb$expr_reference("l_commitdate"))
),
duckdb$expr_function(
"r_base::>=",
list(
duckdb$expr_reference("l_receiptdate"),
if ("experimental" %in% names(formals(duckdb$expr_constant))) {
duckdb$expr_constant(as.Date("1994-01-01"), experimental = experimental)
} else {
duckdb$expr_constant(as.Date("1994-01-01"))
}
)
),
duckdb$expr_function(
"r_base::<",
list(
duckdb$expr_reference("l_receiptdate"),
if ("experimental" %in% names(formals(duckdb$expr_constant))) {
duckdb$expr_constant(as.Date("1995-01-01"), experimental = experimental)
} else {
duckdb$expr_constant(as.Date("1995-01-01"))
}
)
)
)
)
"inner_join"
rel3 <- duckdb$rel_set_alias(rel2, "lhs")
df2 <- orders
"inner_join"
rel4 <- duckdb$rel_from_df(con, df2, experimental = experimental)
"inner_join"
rel5 <- duckdb$rel_set_alias(rel4, "rhs")
"inner_join"
rel6 <- duckdb$rel_join(
rel3,
rel5,
list(
duckdb$expr_function(
"==",
list(duckdb$expr_reference("l_orderkey", rel3), duckdb$expr_reference("o_orderkey", rel5))
)
),
"inner"
)
"inner_join"
rel7 <- duckdb$rel_project(
rel6,
list(
{
tmp_expr <- duckdb$expr_function(
"___coalesce",
list(duckdb$expr_reference("l_orderkey", rel3), duckdb$expr_reference("o_orderkey", rel5))
)
duckdb$expr_set_alias(tmp_expr, "l_orderkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_partkey")
duckdb$expr_set_alias(tmp_expr, "l_partkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_suppkey")
duckdb$expr_set_alias(tmp_expr, "l_suppkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_linenumber")
duckdb$expr_set_alias(tmp_expr, "l_linenumber")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_quantity")
duckdb$expr_set_alias(tmp_expr, "l_quantity")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_extendedprice")
duckdb$expr_set_alias(tmp_expr, "l_extendedprice")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_discount")
duckdb$expr_set_alias(tmp_expr, "l_discount")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_tax")
duckdb$expr_set_alias(tmp_expr, "l_tax")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_returnflag")
duckdb$expr_set_alias(tmp_expr, "l_returnflag")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_linestatus")
duckdb$expr_set_alias(tmp_expr, "l_linestatus")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_shipdate")
duckdb$expr_set_alias(tmp_expr, "l_shipdate")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_commitdate")
duckdb$expr_set_alias(tmp_expr, "l_commitdate")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_receiptdate")
duckdb$expr_set_alias(tmp_expr, "l_receiptdate")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_shipinstruct")
duckdb$expr_set_alias(tmp_expr, "l_shipinstruct")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_shipmode")
duckdb$expr_set_alias(tmp_expr, "l_shipmode")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("l_comment")
duckdb$expr_set_alias(tmp_expr, "l_comment")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("o_custkey")
duckdb$expr_set_alias(tmp_expr, "o_custkey")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("o_orderstatus")
duckdb$expr_set_alias(tmp_expr, "o_orderstatus")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("o_totalprice")
duckdb$expr_set_alias(tmp_expr, "o_totalprice")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("o_orderdate")
duckdb$expr_set_alias(tmp_expr, "o_orderdate")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("o_orderpriority")
duckdb$expr_set_alias(tmp_expr, "o_orderpriority")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("o_clerk")
duckdb$expr_set_alias(tmp_expr, "o_clerk")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("o_shippriority")
duckdb$expr_set_alias(tmp_expr, "o_shippriority")
tmp_expr
},
{
tmp_expr <- duckdb$expr_reference("o_comment")
duckdb$expr_set_alias(tmp_expr, "o_comment")
tmp_expr
}
)
)
"summarise"
rel8 <- duckdb$rel_aggregate(
rel7,
groups = list(duckdb$expr_reference("l_shipmode")),
aggregates = list(
{
tmp_expr <- duckdb$expr_function(
"sum",
list(
duckdb$expr_function(
"if_else",
list(
duckdb$expr_function(
"|",
list(
duckdb$expr_function(
"r_base::==",
list(
duckdb$expr_reference("o_orderpriority"),
if ("experimental" %in% names(formals(duckdb$expr_constant))) {
duckdb$expr_constant("1-URGENT", experimental = experimental)
} else {
duckdb$expr_constant("1-URGENT")
}
)
),
duckdb$expr_function(
"r_base::==",
list(
duckdb$expr_reference("o_orderpriority"),
if ("experimental" %in% names(formals(duckdb$expr_constant))) {
duckdb$expr_constant("2-HIGH", experimental = experimental)
} else {
duckdb$expr_constant("2-HIGH")
}
)
)
)
),
if ("experimental" %in% names(formals(duckdb$expr_constant))) {
duckdb$expr_constant(1L, experimental = experimental)
} else {
duckdb$expr_constant(1L)
},
if ("experimental" %in% names(formals(duckdb$expr_constant))) {
duckdb$expr_constant(0L, experimental = experimental)
} else {
duckdb$expr_constant(0L)
}
)
)
)
)
duckdb$expr_set_alias(tmp_expr, "high_line_count")
tmp_expr
},
{
tmp_expr <- duckdb$expr_function(
"sum",
list(
duckdb$expr_function(
"if_else",
list(
duckdb$expr_function(
"&",
list(
duckdb$expr_function(
"r_base::!=",
list(
duckdb$expr_reference("o_orderpriority"),
if ("experimental" %in% names(formals(duckdb$expr_constant))) {
duckdb$expr_constant("1-URGENT", experimental = experimental)
} else {
duckdb$expr_constant("1-URGENT")
}
)
),
duckdb$expr_function(
"r_base::!=",
list(
duckdb$expr_reference("o_orderpriority"),
if ("experimental" %in% names(formals(duckdb$expr_constant))) {
duckdb$expr_constant("2-HIGH", experimental = experimental)
} else {
duckdb$expr_constant("2-HIGH")
}
)
)
)
),
if ("experimental" %in% names(formals(duckdb$expr_constant))) {
duckdb$expr_constant(1L, experimental = experimental)
} else {
duckdb$expr_constant(1L)
},
if ("experimental" %in% names(formals(duckdb$expr_constant))) {
duckdb$expr_constant(0L, experimental = experimental)
} else {
duckdb$expr_constant(0L)
}
)
)
)
)
duckdb$expr_set_alias(tmp_expr, "low_line_count")
tmp_expr
}
)
)
"arrange"
rel9 <- duckdb$rel_order(rel8, list(duckdb$expr_reference("l_shipmode")))
rel9
duckdb$rel_to_altrep(rel9)
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