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Join filter queries using Intersect and Union #2742

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Join filter queries using Intersect and Union #2742

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4a305ac
Join filter queries using Intersect and Union
LZRS Nov 27, 2024
d039089
Merge branch 'master' into intersect_union_filter_joins
LZRS Nov 29, 2024
a0f5efb
Merge remote-tracking branch 'upstream/master' into intersect_union_f…
LZRS Dec 16, 2024
5d34d06
Refactor joining nested queries to search filter queries
LZRS Dec 16, 2024
6b2c021
Merge remote-tracking branch 'upstream/master' into intersect_union_f…
LZRS Dec 18, 2024
3d38081
Fix failing test for disjoint filters with nested query
LZRS Dec 18, 2024
c461923
Merge branch 'master' into intersect_union_filter_joins
LZRS Jan 8, 2025
00d29f9
Update licence year for spotless
LZRS Jan 8, 2025
eecf7a7
Merge branch 'master' into intersect_union_filter_joins
LZRS Jan 15, 2025
d878fbb
Merge branch 'master' into intersect_union_filter_joins
jingtang10 Jan 27, 2025
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44 changes: 27 additions & 17 deletions engine/src/main/java/com/google/android/fhir/search/MoreSearch.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -365,19 +365,33 @@ internal fun Search.getQuery(

var filterStatement = ""
val filterArgs = mutableListOf<Any>()
val filterQuery = getFilterQueries()
filterQuery.forEachIndexed { i, it ->
filterStatement +=
// spotless:off
"""
${if (i == 0) "AND a.resourceUuid IN (" else "a.resourceUuid IN ("}
${it.query}
)
${if (i != filterQuery.lastIndex) "${operation.logicalOperator} " else ""}
""".trimIndent()
// spotless:on
filterArgs.addAll(it.args)
}
val nestedSearchQuery = nestedSearches.nestedQuery(type, operation)
val filterQuery =
getFilterQueries().let {
if (nestedSearchQuery != null) {
it + nestedSearchQuery
} else {
it
}
}
val filterJoinOperator =
when (operation) {
Operation.OR -> "\nUNION\n"
Operation.AND -> "\nINTERSECT\n"
}
filterQuery
.takeIf { it.isNotEmpty() }
?.let {
filterStatement +=
it.joinToString(
separator = filterJoinOperator,
prefix = "AND a.resourceUuid IN (",
postfix = ")\n",
) { fq ->
fq.query
}
filterArgs.addAll(it.flatMap { fq -> fq.args })
}

var limitStatement = ""
val limitArgs = mutableListOf<Any>()
Expand All @@ -390,10 +404,6 @@ internal fun Search.getQuery(
}
}

nestedSearches.nestedQuery(type, operation)?.let {
filterStatement += it.query
filterArgs.addAll(it.args)
}
val whereArgs = mutableListOf<Any>()
val nestedArgs = mutableListOf<Any>()
val query =
Expand Down
11 changes: 8 additions & 3 deletions engine/src/main/java/com/google/android/fhir/search/NestedSearch.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -214,15 +214,20 @@ internal fun List<NestedSearch>.nestedQuery(
return if (isEmpty()) {
null
} else {
val filterJoinOperator =
when (operation) {
Operation.OR -> "\nUNION\n"
Operation.AND -> "\nINTERSECT\n"
}

map { it.nestedQuery(type) }
.let { searchQueries ->
SearchQuery(
query =
searchQueries.joinToString(
prefix = "AND a.resourceUuid IN ",
separator = " ${operation.logicalOperator} a.resourceUuid IN",
separator = " $filterJoinOperator",
) { searchQuery ->
"(\n${searchQuery.query}\n) "
"\n${searchQuery.query}\n"
},
args = searchQueries.flatMap { it.args },
)
Expand Down
14 changes: 5 additions & 9 deletions engine/src/test/java/com/google/android/fhir/search/SearchTest.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -1919,8 +1919,7 @@ class SearchTest {
AND a.resourceUuid IN (
SELECT resourceUuid FROM StringIndexEntity
WHERE resourceType = ? AND index_name = ? AND index_value = ?
)
AND a.resourceUuid IN (
INTERSECT
SELECT resourceUuid
FROM ResourceEntity a
WHERE a.resourceType = ? AND a.resourceId IN (
Expand All @@ -1930,8 +1929,7 @@ class SearchTest {
AND a.resourceUuid IN (
SELECT resourceUuid FROM TokenIndexEntity
WHERE resourceType = ? AND index_name = ? AND (index_value = ? AND IFNULL(index_system,'') = ?)
)
AND a.resourceUuid IN (
INTERSECT
SELECT resourceUuid FROM TokenIndexEntity
WHERE resourceType = ? AND index_name = ? AND (index_value = ? AND IFNULL(index_system,'') = ?)
)
Expand Down Expand Up @@ -2001,7 +1999,7 @@ class SearchTest {
WHERE resourceType = ? AND index_name = ? AND (index_value = ? AND IFNULL(index_system,'') = ?)
)
)
) AND a.resourceUuid IN(
INTERSECT
SELECT resourceUuid
FROM ResourceEntity a
WHERE a.resourceType = ? AND a.resourceId IN (
Expand Down Expand Up @@ -2156,8 +2154,7 @@ class SearchTest {
AND a.resourceUuid IN (
SELECT resourceUuid FROM StringIndexEntity
WHERE resourceType = ? AND index_name = ? AND index_value = ?
)
OR a.resourceUuid IN (
UNION
SELECT resourceUuid FROM StringIndexEntity
WHERE resourceType = ? AND index_name = ? AND index_value = ?
)
Expand Down Expand Up @@ -2189,8 +2186,7 @@ class SearchTest {
AND a.resourceUuid IN (
SELECT resourceUuid FROM StringIndexEntity
WHERE resourceType = ? AND index_name = ? AND index_value LIKE ? || '%' COLLATE NOCASE
)
AND a.resourceUuid IN (
INTERSECT
SELECT resourceUuid FROM StringIndexEntity
WHERE resourceType = ? AND index_name = ? AND (index_value LIKE ? || '%' COLLATE NOCASE OR index_value LIKE ? || '%' COLLATE NOCASE)
)
Expand Down
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