Finer grained driver loading in SQL receivers (#39918)

#### Description

Between 0.123.0 and 0.124.0, the footprint of the `postgresql` receiver
increased sharply when participating in custom builds. As an experiment,
builds using the configuration below were done for both 0.123.0 and
0.124.0 releases in MacOS.

```
dist:
  name: otelcol-custom
  description: Local OpenTelemetry Collector binary
  output_path: /tmp/dist

exporters:
  - gomod: go.opentelemetry.io/collector/exporter/debugexporter v0.124.0

receivers:
  - gomod:  github.com/open-telemetry/opentelemetry-collector-contrib/receiver/postgresqlreceiver v0.124.0

processors:
  - gomod: go.opentelemetry.io/collector/processor/batchprocessor v0.124.0
```

The generated binary size increased significantly
* 0.123.0 --> 25 MB
* 0.124.0 --> 63 MB

The problem was found to be the recent inclusion of the internal
`sqlquery` package (PR #39311): this package registers drivers for all
kinds of databases, and thus the `postgresql` receiver got many new
(unneeded) dependencies.

With this PR, the `internal/sqlquery` package no longer registers
drivers for all possible databases: instead this task is expected to be
done by the actual users of the package, who know best what drivers they
are going to need.

Apart from the `postgresql` receiver, the `sqlserver` one got its
dependencies accordingly trimmed.

Author: nozomi-gedimitr

.chloggen/finer_grained_drv_loading_sql_receivers.yaml

@@ -0,0 +1,30 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: postgresqlreceiver
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Reduce component footprint by removing the loading of unnecessary SQL drivers
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [39918]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext: |
+  Custom builds that are using the postgresql receiver and no other SQL related receivers
+  will see a reduction in the output binary size. A similar effect is expected also for
+  the sqlserverreceiver.
+
+# If your change doesn't affect end users or the exported elements of any package,
+# you should instead start your pull request title with [chore] or use the "Skip Changelog" label.
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: [user]

internal/sqlquery/db_client.go

@@ -7,15 +7,7 @@ import (
 	"context"
 	"errors"
 
-	// register Db drivers
-	_ "github.com/SAP/go-hdb/driver"
-	_ "github.com/go-sql-driver/mysql"
-	_ "github.com/lib/pq"
-	_ "github.com/microsoft/go-mssqldb"
-	_ "github.com/microsoft/go-mssqldb/integratedauth/krb5"
-	_ "github.com/sijms/go-ora/v2"
-	_ "github.com/snowflakedb/gosnowflake"
-	_ "github.com/thda/tds"
+	// Do not register any Db drivers here: users should register the ones that are applicable to them.
 	"go.uber.org/zap"
 )
 

internal/sqlquery/go.mod

@@ -3,14 +3,7 @@ module github.com/open-telemetry/opentelemetry-collector-contrib/internal/sqlque
 go 1.23.0
 
 require (
-	github.com/SAP/go-hdb v1.13.5
-	github.com/go-sql-driver/mysql v1.9.2
-	github.com/lib/pq v1.10.9
-	github.com/microsoft/go-mssqldb v1.8.0
-	github.com/sijms/go-ora/v2 v2.8.24
-	github.com/snowflakedb/gosnowflake v1.13.3
 	github.com/stretchr/testify v1.10.0
-	github.com/thda/tds v0.1.7
 	go.opentelemetry.io/collector/component v1.31.1-0.20250505152726-56c7da210783
 	go.opentelemetry.io/collector/component/componenttest v0.125.1-0.20250505155216-829157cef7bb
 	go.opentelemetry.io/collector/pdata v1.31.1-0.20250505152726-56c7da210783
@@ -21,63 +14,16 @@ require (
 )
 
 require (
-	filippo.io/edwards25519 v1.1.0 // indirect
-	github.com/99designs/go-keychain v0.0.0-20191008050251-8e49817e8af4 // indirect
-	github.com/99designs/keyring v1.2.2 // indirect
-	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.11.1 // indirect
-	github.com/Azure/azure-sdk-for-go/sdk/internal v1.8.0 // indirect
-	github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.0.0 // indirect
-	github.com/BurntSushi/toml v1.4.0 // indirect
-	github.com/JohnCGriffin/overflow v0.0.0-20211019200055-46fa312c352c // indirect
-	github.com/apache/arrow-go/v18 v18.0.0 // indirect
-	github.com/aws/aws-sdk-go-v2 v1.26.1 // indirect
-	github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.6.2 // indirect
-	github.com/aws/aws-sdk-go-v2/credentials v1.17.11 // indirect
-	github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.16.15 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.5 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.5 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/v4a v1.3.5 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.11.2 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.3.7 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.11.7 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.17.5 // indirect
-	github.com/aws/aws-sdk-go-v2/service/s3 v1.53.1 // indirect
-	github.com/aws/smithy-go v1.20.2 // indirect
-	github.com/danieljoos/wincred v1.2.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/dvsekhvalnov/jose2go v1.6.0 // indirect
-	github.com/gabriel-vasile/mimetype v1.4.7 // indirect
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
-	github.com/goccy/go-json v0.10.4 // indirect
-	github.com/godbus/dbus v0.0.0-20190726142602-4481cbc300e2 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang-jwt/jwt/v5 v5.2.2 // indirect
-	github.com/golang-sql/civil v0.0.0-20220223132316-b832511892a9 // indirect
-	github.com/golang-sql/sqlexp v0.1.0 // indirect
-	github.com/google/flatbuffers v24.12.23+incompatible // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/gsterjov/go-libsecret v0.0.0-20161001094733-a6f4afe4910c // indirect
-	github.com/hashicorp/go-uuid v1.0.3 // indirect
 	github.com/hashicorp/go-version v1.7.0 // indirect
-	github.com/jcmturner/aescts/v2 v2.0.0 // indirect
-	github.com/jcmturner/dnsutils/v2 v2.0.0 // indirect
-	github.com/jcmturner/gofork v1.7.6 // indirect
-	github.com/jcmturner/goidentity/v6 v6.0.1 // indirect
-	github.com/jcmturner/gokrb5/v8 v8.4.4 // indirect
-	github.com/jcmturner/rpc/v2 v2.0.3 // indirect
-	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/klauspost/compress v1.17.11 // indirect
-	github.com/klauspost/cpuid/v2 v2.2.9 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/mtibben/percent v0.2.1 // indirect
-	github.com/pierrec/lz4/v4 v4.1.22 // indirect
-	github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/sirupsen/logrus v1.9.3 // indirect
-	github.com/zeebo/xxh3 v1.0.2 // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
 	go.opentelemetry.io/collector/consumer v1.31.1-0.20250505152726-56c7da210783 // indirect
 	go.opentelemetry.io/collector/featuregate v1.31.1-0.20250505152726-56c7da210783 // indirect
@@ -92,17 +38,9 @@ require (
 	go.opentelemetry.io/otel/sdk v1.35.0 // indirect
 	go.opentelemetry.io/otel/sdk/metric v1.35.0 // indirect
 	go.opentelemetry.io/otel/trace v1.35.0 // indirect
-	golang.org/x/crypto v0.37.0 // indirect
-	golang.org/x/exp v0.0.0-20240909161429-701f63a606c0 // indirect
-	golang.org/x/mod v0.22.0 // indirect
 	golang.org/x/net v0.39.0 // indirect
-	golang.org/x/oauth2 v0.26.0 // indirect
-	golang.org/x/sync v0.13.0 // indirect
 	golang.org/x/sys v0.32.0 // indirect
-	golang.org/x/term v0.31.0 // indirect
 	golang.org/x/text v0.24.0 // indirect
-	golang.org/x/tools v0.29.0 // indirect
-	golang.org/x/xerrors v0.0.0-20240903120638-7835f813f4da // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a // indirect
 	google.golang.org/grpc v1.72.0 // indirect
 	google.golang.org/protobuf v1.36.6 // indirect